Excessive Alcohol Consumption
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Alcohol abuse encompasses a spectrum of
alcohol Alcohol may refer to: Common uses * Alcohol (chemistry), a class of compounds * Ethanol, one of several alcohols, commonly known as alcohol in everyday life ** Alcohol (drug), intoxicant found in alcoholic beverages ** Alcoholic beverage, an alco ...
-related
substance abuse Substance misuse, also known as drug misuse or, in older vernacular, substance abuse, is the use of a drug in amounts or by methods that are harmful to the individual or others. It is a form of substance-related disorder, differing definition ...
. This spectrum can range from being mild, moderate, or severe. This can look like consumption of more than 2 drinks per day on average for men, or more than 1 drink per day on average for women, to binge drinking. Alcohol abuse was a psychiatric diagnosis in the
DSM-IV The ''Diagnostic and Statistical Manual of Mental Disorders'' (''DSM''; latest edition: ''DSM-5-TR'', published in March 2022) is a publication by the American Psychiatric Association (APA) for the classification of mental disorders using a com ...
, but it has been merged with alcohol dependence in the
DSM-5 The ''Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition'' (DSM-5), is the 2013 update to the '' Diagnostic and Statistical Manual of Mental Disorders'', the taxonomic and diagnostic tool published by the American Psychiat ...
into
alcohol use disorder Alcoholism is the continued drinking of alcohol despite it causing problems. Some definitions require evidence of dependence and withdrawal. Problematic use of alcohol has been mentioned in the earliest historical records. The World Hea ...
. Alcohol use disorder, also known as AUD, shares similar conditions that some people refer to as alcohol abuse, alcohol dependence, alcohol addiction, and the most used term, alcoholism. Globally, excessive alcohol consumption is the seventh leading risk factor for both death and the burden of disease and injury, representing 5.1% of the total global burden of disease and injury, measured in disability-adjusted life years (DALYs). After
tobacco Tobacco is the common name of several plants in the genus '' Nicotiana'' of the family Solanaceae, and the general term for any product prepared from the cured leaves of these plants. More than 70 species of tobacco are known, but the ...
, alcohol accounts for a higher burden of disease than any other drug. Alcohol use is a major cause of preventable
liver disease Liver disease, or hepatic disease, is any of many diseases of the liver. If long-lasting it is termed chronic liver disease. Although the diseases differ in detail, liver diseases often have features in common. Liver diseases File:Ground gla ...
worldwide, and alcoholic liver disease is the main alcohol-related chronic medical illness. Millions of people of all ages, from adolescents to the elderly, engage in unhealthy drinking. In the United States, excessive alcohol use costs more than $249 billion annually. There are many factors that play a role in causing someone to have an alcohol use disorder: genetic vulnerabilities, neurobiological precursors, psychiatric conditions, trauma, social influence, environmental factors, and even parental drinking habits. Data shows that those that began drinking at an earlier stage in life were more likely to report experiencing AUD than those that began later. For example, those who began at age 15 are more likely to report suffering from this disorder than those that waited until age 26 and older. The risk of females reporting this is higher than that of males.


Definitions

Risky drinking (also called hazardous drinking) is defined by drinking above the recommended limits: * greater than 14 standard drinks units per week or greater than 4 standard drinks on a single occasion in men * greater than 7 standard drinks units per week or greater than 3 standard drinks on a single occasion in women * any drinking in pregnant women or persons < 21 years old Binge drinking is a pattern of alcohol consumption that brings blood alcohol concentration ≥ 0.08%, usually corresponding to: * ≥ 5 standard drinks on a single occasion in men * ≥ 4 standard drinks on a single occasion in women In the
DSM-IV The ''Diagnostic and Statistical Manual of Mental Disorders'' (''DSM''; latest edition: ''DSM-5-TR'', published in March 2022) is a publication by the American Psychiatric Association (APA) for the classification of mental disorders using a com ...
, alcohol abuse and alcohol dependence were defined as distinct disorders from 1994 to 2013. The DSM-5 combined those two disorders into
alcohol use disorder Alcoholism is the continued drinking of alcohol despite it causing problems. Some definitions require evidence of dependence and withdrawal. Problematic use of alcohol has been mentioned in the earliest historical records. The World Hea ...
with mild, moderate, and severe sub-classifications of severity. The term "
alcoholism Alcoholism is the continued drinking of alcohol despite it causing problems. Some definitions require evidence of dependence and withdrawal. Problematic use of alcohol has been mentioned in the earliest historical records. The World He ...
" is no longer a diagnosis in medical care. Alcohol misuse is a term used by
United States Preventive Services Task Force The United States Preventive Services Task Force (USPSTF) is "an independent panel of experts in primary care and prevention that systematically reviews the evidence of effectiveness and develops recommendations for clinical preventive services". ...
to describe a spectrum of drinking behaviors that encompass risky drinking, alcohol abuse, and alcohol dependence (similar meaning to alcohol use disorder but not a term used in DSM).


Signs and symptoms

Specific diagnostic criteria for Alcohol Use Disorder, according to the DSM-5 includes: alcohol taken in excessive amounts over a long duration of time, a recurring desire/craving for alcohol, trouble stopping/resisting alcohol, recurrent alcohol use resulting in failure to adhere to social, occupational and personal obligations, continued alcohol use after continual social and interpersonal complications, physically hazardous alcohol use, continued alcohol use knowing that it causes persistent physical and cognitive problems, high alcohol tolerance and withdrawal syndrome for alcohol. Individuals with an alcohol use disorder will often complain of difficulty with interpersonal relationships, problems at work or school, and legal problems. Additionally, people may complain of irritability and
insomnia Insomnia, also known as sleeplessness, is a sleep disorder where people have difficulty sleeping. They may have difficulty falling asleep, or staying asleep for as long as desired. Insomnia is typically followed by daytime sleepiness, low ene ...
. Alcohol use disorder is also an important cause of chronic fatigue. Signs of alcohol abuse are related to alcohol's effects on organ systems. However, while these findings are often present, they are not necessary to make a diagnosis of alcohol abuse. Alcohol use disorder causes acute
central nervous system depression Central nervous system depression (or CNS depression) is a nervous system disorder characterized by a severely impaired physiological state in which patients may exhibit decreased rate of breathing, decreased heart rate, and loss of consciousnes ...
which leads to inebriation, euphoria, impulsivity, sedation and poor judgment. Chronic alcohol use may lead to dependence, reckless behavior, anxiety, irritability, and insomnia. Alcohol is hepatotoxic and chronic use leads to elevated liver enzyme levels in the bloodstream (classically the aspartate aminotransferase level is at least twice as high as the alanine transaminase level),
cirrhosis Cirrhosis, also known as liver cirrhosis or hepatic cirrhosis, chronic liver failure or chronic hepatic failure and end-stage liver disease, is a chronic condition of the liver in which the normal functioning tissue, or parenchyma, is replaced ...
, and liver failure. Cirrhosis leads to an inability to process hormones and toxins and increased estrogen levels. The skin of a patient with alcoholic cirrhosis can feature spider angiomas, palmar erythema, and — in acute liver failure —
jaundice Jaundice, also known as icterus, is a yellowish or, less frequently, greenish pigmentation of the skin and sclera due to high bilirubin levels. Jaundice in adults is typically a sign indicating the presence of underlying diseases involving ...
and
ascites Ascites (; , meaning "bag" or "sac") is the abnormal build-up of fluid in the abdomen. Technically, it is more than 25 ml of fluid in the peritoneal cavity, although volumes greater than one liter may occur. Symptoms may include increased abdo ...
. The derangements of the endocrine system may lead to the enlargement of the male breasts. The inability to process toxic metabolites such as
ammonia Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the chemical formula, formula . A Binary compounds of hydrogen, stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pu ...
in alcoholic cirrhosis may lead to
hepatic encephalopathy Hepatic encephalopathy (HE) is an altered level of consciousness as a result of liver failure. Its onset may be gradual or sudden. Other symptoms may include movement problems, changes in mood, or changes in personality. In the advanced stag ...
. Alcohol is also an established
carcinogen A carcinogen () is any agent that promotes the development of cancer. Carcinogens can include synthetic chemicals, naturally occurring substances, physical agents such as ionizing and non-ionizing radiation, and biologic agents such as viruse ...
and its excessive use causes an increased risk of various cancers, such as
breast cancer Breast cancer is a cancer that develops from breast tissue. Signs of breast cancer may include a Breast lump, lump in the breast, a change in breast shape, dimpling of the skin, Milk-rejection sign, milk rejection, fluid coming from the nipp ...
and
head and neck cancer Head and neck cancer is a general term encompassing multiple cancers that can develop in the head and neck region. These include cancers of the mouth, tongue, gums and lips (oral cancer), voice box ( laryngeal), throat ( nasopharyngeal, orophary ...
. Using alcohol, especially together with
tobacco Tobacco is the common name of several plants in the genus '' Nicotiana'' of the family Solanaceae, and the general term for any product prepared from the cured leaves of these plants. More than 70 species of tobacco are known, but the ...
, is a major risk factor for head and neck cancer. 72% of head and neck cancer cases are caused by using both alcohol and tobacco. This rises to 89% when looking specifically at
laryngeal cancer Laryngeal cancer is a kind of cancer that can develop in any part of the larynx (voice box). It is typically a squamous-cell carcinoma, reflecting its origin from the epithelium of the larynx. The prognosis is affected by the location of the tumo ...
. Chronic alcohol use is also associated with malnutrition, Wernicke-Korsakoff syndrome,
alcoholic cardiomyopathy Alcoholic cardiomyopathy (ACM) is a disease in which the long-term consumption of alcohol (drug), alcohol leads to heart failure. ACM is a type of dilated cardiomyopathy. The heart is unable to pump blood efficiently, leading to heart failure. It ...
,
hypertension Hypertension, also known as high blood pressure, is a Chronic condition, long-term Disease, medical condition in which the blood pressure in the artery, arteries is persistently elevated. High blood pressure usually does not cause symptoms i ...
,
stroke Stroke is a medical condition in which poor cerebral circulation, blood flow to a part of the brain causes cell death. There are two main types of stroke: brain ischemia, ischemic, due to lack of blood flow, and intracranial hemorrhage, hemor ...
,
arrhythmia Arrhythmias, also known as cardiac arrhythmias, are irregularities in the cardiac cycle, heartbeat, including when it is too fast or too slow. Essentially, this is anything but normal sinus rhythm. A resting heart rate that is too fast – ab ...
s,
pancreatitis Pancreatitis is a condition characterized by inflammation of the pancreas. The pancreas is a large organ behind the stomach that produces digestive enzymes and a number of hormone A hormone (from the Ancient Greek, Greek participle , "se ...
, depression, and
dementia Dementia is a syndrome associated with many neurodegenerative diseases, characterized by a general decline in cognitive abilities that affects a person's ability to perform activities of daily living, everyday activities. This typically invo ...
. Alcohol is also an established
carcinogen A carcinogen () is any agent that promotes the development of cancer. Carcinogens can include synthetic chemicals, naturally occurring substances, physical agents such as ionizing and non-ionizing radiation, and biologic agents such as viruse ...
with chronic use associated with increased risk of cancer. Alcohol use disorder can result in brain damage which causes impairments in
executive function In cognitive science and neuropsychology, executive functions (collectively referred to as executive function and cognitive control) are a set of cognitive processes that support goal-directed behavior, by regulating thoughts and actions thro ...
ing such as impairments to
working memory Working memory is a cognitive system with a limited capacity that can Memory, hold information temporarily. It is important for reasoning and the guidance of decision-making and behavior. Working memory is often used synonymously with short-term m ...
and visuospatial function. Alcohol abuse is also associated with incidence of personality disorders, affective disorders, and emotional dysregulation. Binge drinking is associated with individuals reporting fair to poor health compared to non-binge drinking individuals and which may progressively worsen over time. Alcohol also causes impairment in critical thinking, ability to handle stress, and attention. Alcoholism can cause significant impairment in
social skills A social skill is any competence facilitating interaction and communication with others where social rules and relations are created, communicated, and changed in verbal and nonverbal ways. The process of learning these skills is called socia ...
, due to the
neurotoxic Neurotoxicity is a form of toxicity in which a biological, chemical, or physical agent produces an adverse effect on the structure or function of the central and/or peripheral nervous system. It occurs when exposure to a substance – specifical ...
effects of alcohol on the brain, especially the
prefrontal cortex In mammalian brain anatomy, the prefrontal cortex (PFC) covers the front part of the frontal lobe of the cerebral cortex. It is the association cortex in the frontal lobe. The PFC contains the Brodmann areas BA8, BA9, BA10, BA11, BA12, ...
area of the brain. The
prefrontal cortex In mammalian brain anatomy, the prefrontal cortex (PFC) covers the front part of the frontal lobe of the cerebral cortex. It is the association cortex in the frontal lobe. The PFC contains the Brodmann areas BA8, BA9, BA10, BA11, BA12, ...
is responsible for cognitive functions such as
working memory Working memory is a cognitive system with a limited capacity that can Memory, hold information temporarily. It is important for reasoning and the guidance of decision-making and behavior. Working memory is often used synonymously with short-term m ...
, impulse control, and decision making. This region of the brain is vulnerable to chronic alcohol-induced oxidative DNA damage. The social skills that can be impaired by alcohol abuse include impairments in perceiving facial emotions, difficulty with perceiving vocal emotions,
theory of mind In psychology and philosophy, theory of mind (often abbreviated to ToM) refers to the capacity to understand other individuals by ascribing mental states to them. A theory of mind includes the understanding that others' beliefs, desires, intent ...
deficits, and ability to understand humor. Adolescent binge drinkers are most sensitive to damaging neurocognitive functions especially executive functions and memory. People who abuse alcohol are less likely to survive critical illness with a higher risk for having
sepsis Sepsis is a potentially life-threatening condition that arises when the body's response to infection causes injury to its own tissues and organs. This initial stage of sepsis is followed by suppression of the immune system. Common signs and s ...
and increased risk of death during hospitalization. Cessation of alcohol use after dependence is formed may lead to alcohol withdrawal disorder and associated sequela including seizures, insomnia, anxiety, cravings, and
delirium tremens Delirium tremens (DTs; ) is a rapid onset of confusion usually caused by withdrawal from alcohol. When it occurs, it is often three days into the withdrawal symptoms and lasts for two to three days. Physical effects may include shaking, sh ...
. A smaller volume of consumed alcohol has a greater impact on the older adult than it does on a younger individual. As a result, the American Geriatrics Society recommends for an older adult with no known risk factors less than one drink a day or fewer than two drinks per occasion regardless of gender.


Violence

Alcohol use disorder has a significant association with suicide and violence. Though many people with Alcohol use disorder may take alcohol to ease their mental suffering, an increased intake of alcohol may serve to further exacerbate psychological issues. This could lead to an increase in suicidal behavior. Alcohol has been implicated in up to 80 percent of suicides and 60 percent of violent acts in Native American communities.


Pregnancy

Alcohol consumption during pregnancy can pose significant risk facts, as it can harm the developing fetus. The umbilical cord is a direct pathway for the mother's blood alcohol to reach the infant, which can result in miscarriage, and a number of lasting physical and cognitive impairments that can persist throughout the child's life. Among pregnant women, alcohol use disorder can result in a condition called
fetal alcohol syndrome Fetal alcohol spectrum disorders (FASDs) are a group of conditions that can occur in a person who is exposed to alcohol during gestation. FASD affects 1 in 20 Americans, but is highly misdiagnosed and underdiagnosed. The several forms of the ...
.
Fetal alcohol syndrome Fetal alcohol spectrum disorders (FASDs) are a group of conditions that can occur in a person who is exposed to alcohol during gestation. FASD affects 1 in 20 Americans, but is highly misdiagnosed and underdiagnosed. The several forms of the ...
is a pattern of physical abnormalities and impairments of mental development seen among children of alcoholic mothers. Fetal alcohol syndrome is the most common preventable cause of intellectual disability in the United States. Symptoms include a thin upper lip, short palpebral fissures, smooth philtrum, microcephaly, and other facial dysmorphic features. Surviving infants may also have structural heart defects, heart-lung fistulas, skeletal abnormalities, impaired renal development, short stature, and various cognitive disabilities. Prenatal alcohol exposure is associated with lasting deleterious effects on the endocrine, reproductive, and immune systems. Prenatal alcohol exposure is also associated with increased incidence of disease, cancer, and behavioral issues during adulthood There is no safe quantity or time period for alcohol use during pregnancy and complete abstinence is recommended. Therefore, the biological implications of alcohol abuse are also further reaching than just the physical issues experienced by the consumer.


Adolescence

Adolescence and the onset of
puberty Puberty is the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction. It is initiated by hormonal signals from the brain to the gonads: the ovaries in a female, the testicles i ...
invoke significant physical, social, emotional, and cognitive changes. Increases in risk-taking, impulsivity, reward sensitivity, and social behavior lead to the emergence of alcohol use. New research is shedding light on pre-existing neurobiological markers that are predictive for the initiation of drug and alcohol abuse in adolescents. Alcohol use in adolescence is consistently associated with loss of grey matter volume, aberrant white matter development, and poor white matter integrity. A dose-dependent relationship among adolescent alcohol users is also consistently found for declines in various areas of cognition including executive function, visuospatial learning, impulsivity, working memory, attention, and language abilities. In the US, about 38% of adolescents aged 15–19 drink with 19% being classified as binge drinkers. Adolescents who drink are more likely to display symptoms of
conduct disorder Conduct disorder (CD) is a mental disorder diagnosed in childhood or adolescence that presents itself through a repetitive and persistent pattern of behavior that includes theft, lies, physical violence that may lead to destruction, and reck ...
including disruptive behavior in school, violating social norms or the rights of others, aggression, learning disabilities, and other social impairments. Alcohol abuse during adolescence greatly increases the risk of developing an alcohol use disorder in adulthood due to changes to neurocircuitry in the vulnerable adolescent brain. Younger ages of initial consumption among males in recent studies has shown to be associated with increased rates of alcohol abuse within the general population.


Risk factors

The causes of alcohol abuse are complex and multi-faceted. Alcohol abuse is related to economic and biological origins and is associated with adverse health consequences. Additionally, drinking at an early age may cause increased risk for alcohol use disorders. Peer pressure influences individuals to abuse alcohol; however, most of the influence of peers is due to inaccurate perceptions of the risks of alcohol abuse. Easy accessibility, social influence, and positive and negative reinforcement contribute to continued use. Another influencing factor among adolescents and college students are the perceptions of social norms for drinking; people will often drink more to keep up with their peers, as they believe their peers drink more than they actually do. Furthermore, adolescents that perceive more of their friends to consume alcohol are at greater risk for alcohol abuse. They might also expect to drink more given the context (e.g. sporting event, house party, etc.). This perception of norms results in higher alcohol consumption than is normal. Alcohol abuse is also associated with acculturation, because social and cultural factors such as an ethnic group's norms and attitudes can influence alcohol abuse.


Mental illness

Alcohol consumption is often used as a temporary reprieve from states of severe anxiety, stress, or depression. Among individuals with mood disorders and anxiety disorders, the prevalence of a comorbid alcohol use disorder was significant. One study suggests that the median lifetime prevalence of alcohol use disorder in individuals with major depressive disorder was 30% across 35 US epidemiological studies. Despite this evidence, debate exists among how the relationship exists between alcohol use disorder and mood and anxiety disorders. That is, the role of alcohol use disorder as causal in depression and anxiety and alcohol use disorder as resultant have been established within the literature. Research suggests that more than one of every three individuals with alcohol dependence have experienced episodes of severe depression and/or anxiety. While some individuals with alcohol dependence drink to relieve stress or sadness, not all research supports the claim that depressive and anxiety disorders precede alcoholism. Instead, high amounts of alcohol consumption can cause depressive and anxious symptoms especially during intoxication and withdrawal. This highlights the complex relationship between alcohol misuse and psychological symptoms. More specifically, while some individuals experiencing emotional distress may self-medicate using alcohol, these symptoms often worsen over time due to alcohol dependence. The numbing effects afforded by alcohol and other substances can serve as a coping strategy for traumatized people who are otherwise unable to dissociate themselves from trauma. This is most often seen in populations with post-traumatic stress disorder (PTSD), where alcohol is used to suppress intrusive thoughts, emotional pain, and hyperarousal symptoms. Research suggests that individuals suffering with PTSD are two to four times more likely to develop comorbid substance use disorder. Also, among current United States military populations, PTSD prevalent post deployment is estimated to be around 15% with about half showing alcohol misuse. Among individuals who already have substance use disorders, the presence of lifetime PTSD was shown to be as high as 50%. However, the altered or intoxicated state of the abused person prevents the full consciousness necessary for healing. Alcohol misuse over a long period of time can lead to increased emotional dysregulation, impaired decision-making, and increased difficulty taking part in therapeutic interventions. Therefore, treatment strategies for individuals with co-occurring alcohol use disorder and mental health disorders need to address both conditions simultaneously for effective recovery. Treatments that take into account underlying psychological conditions such as cognitive-behavioral therapy (CBT) and medication-assisted treatment have been shown to help decrease alcohol dependence. Often both the alcohol misuse and psychological problems need to be treated at the same time. Another specialized psychotherapy that has been developed is Concurrent Treatment of PTSD and Substance Use Disorders with Prolonged Exposure (COPE). This approach incorporates exposure-based techniques for PTSD with cognitive-behavioral strategies used for substance disorders like alcohol misuse.


Puberty

Gender differences may affect drinking patterns and the risk for developing alcohol use disorders. Sensation-seeking behaviors have been previously shown to be associated with advanced pubertal maturation, as well as the company of deviant peers. Early pubertal maturation, as indicated by advanced morphological and hormonal development, has been linked to increased alcohol usage in both male and female individuals. Additionally, when controlling for age, this association between advanced development and alcohol use still held true. Until recently, the underlying mechanisms mediating the link between pubertal maturation and increased alcohol use in adolescence was poorly understood. Now research has suggested that sex steroid hormone levels may play a role in this interaction. When controlling for age, it was demonstrated that elevated
estradiol Estradiol (E2), also called oestrogen, oestradiol, is an estrogen steroid hormone and the major female sex hormone. It is involved in the regulation of female reproductive cycles such as estrous and menstrual cycles. Estradiol is responsible ...
and
testosterone Testosterone is the primary male sex hormone and androgen in Male, males. In humans, testosterone plays a key role in the development of Male reproductive system, male reproductive tissues such as testicles and prostate, as well as promoting se ...
levels in male teenagers undergoing pubertal development was linked to increased alcohol consumption. It has been suggested that sex hormones promote alcohol consumption behaviors in teens by stimulating areas in the male adolescent brain associated with reward processing. The same associations with hormone levels were not demonstrated in females undergoing pubertal development. It is hypothesized that sex steroid hormones, such as testosterone and estradiol, are stimulating areas in the male brain that function to promote sensation-seeking and status-seeking behaviors and result in increased alcohol usage. Additionally, the enzyme TTTAn aromatase, which functions in the male brain to convert testosterone to estradiols, has been linked to addictive and reward-seeking behaviors. Therefore, the increased activity of the enzyme may be influencing male adolescent alcohol-usage behaviors during pubertal development. The underlying mechanisms for female alcohol consumption and abuse is still under examination, but is believed to be largely influenced by morphological, rather than hormonal, changes during puberty as well as the presence of deviant peer groups.


Genetic Influences

Several research studies suggest significant genetic contributions to alcohol use disorder. According to some adoption research, biological influences were strongly related to outcomes of adoptees. Among adoptees, a stronger correlation was found between alcohol use disorder and their biological parents than their adoptive parents. Other research adds that while multiple genes may be potentially implicated, alcohol dehydrogenase 1B (ADH1B) and aldehyde dehydrogenase 2 (ALDH2; mitochondrial aldehyde dehydrogenase), have been chiefly associated with excess alcohol consumption. Nevertheless, it is important to note that alcohol use disorder entails a biopsychosocial component and genetics alone may not necessarily be causal in alcohol use disorder. There are numerous contributing risk factors which add to the complexity of alcohol including age, environment, psychiatric comorbidities and other substance use.


Mechanisms

Excessive alcohol use causes neuroinflammation and leads to
myelin Myelin Sheath ( ) is a lipid-rich material that in most vertebrates surrounds the axons of neurons to insulate them and increase the rate at which electrical impulses (called action potentials) pass along the axon. The myelinated axon can be lik ...
disruptions and
white matter White matter refers to areas of the central nervous system that are mainly made up of myelinated axons, also called Nerve tract, tracts. Long thought to be passive tissue, white matter affects learning and brain functions, modulating the distr ...
loss. The developing adolescent brain is at increased risk of brain damage and other long-lasting alterations to the brain. Adolescents with an alcohol use disorder damage the
hippocampal The hippocampus (: hippocampi; via Latin from Greek , 'seahorse'), also hippocampus proper, is a major component of the brain of humans and many other vertebrates. In the human brain the hippocampus, the dentate gyrus, and the subiculum ar ...
,
prefrontal cortex In mammalian brain anatomy, the prefrontal cortex (PFC) covers the front part of the frontal lobe of the cerebral cortex. It is the association cortex in the frontal lobe. The PFC contains the Brodmann areas BA8, BA9, BA10, BA11, BA12, ...
, and
temporal lobe The temporal lobe is one of the four major lobes of the cerebral cortex in the brain of mammals. The temporal lobe is located beneath the lateral fissure on both cerebral hemispheres of the mammalian brain. The temporal lobe is involved in pr ...
s. Chronic alcohol exposure can result in increased DNA damage in the brain, as well as reduced
DNA repair DNA repair is a collection of processes by which a cell (biology), cell identifies and corrects damage to the DNA molecules that encode its genome. A weakened capacity for DNA repair is a risk factor for the development of cancer. DNA is cons ...
and increased
neuron A neuron (American English), neurone (British English), or nerve cell, is an membrane potential#Cell excitability, excitable cell (biology), cell that fires electric signals called action potentials across a neural network (biology), neural net ...
al cell death. Alcohol metabolism generates genotoxic
acetaldehyde Acetaldehyde (IUPAC systematic name ethanal) is an organic compound, organic chemical compound with the chemical formula, formula , sometimes abbreviated as . It is a colorless liquid or gas, boiling near room temperature. It is one of the most ...
and
reactive oxygen species In chemistry and biology, reactive oxygen species (ROS) are highly Reactivity (chemistry), reactive chemicals formed from diatomic oxygen (), water, and hydrogen peroxide. Some prominent ROS are hydroperoxide (H2O2), superoxide (O2−), hydroxyl ...
. The brain goes through dynamic changes during adolescence as a result of advancing pubertal maturation, and alcohol can damage long- and short-term growth processes in teenagers. The rewarding effects of alcohol are attributed to dopamine, serotonin, GABA, endocannabinoids, serotonin and opioid peptides. Alcohol is the most recreationally used drug internationally; throughout history it has played a variety of roles, from medicine to a mood enhancer. Alcoholism and alcohol abuse, however, have undergone rigorous examination as a disease which has pervasive physiological and biosocial implications. The genesis and maintenance of the disease involves the mind, body, society and culture. A common anthropological approach to understanding alcoholism is one which relates to a social factor, and this is cross-cultural studies. The description and analysis of the degree of possibilities in drinking and its results among various populations indeed constitutes one of anthropology's major contributions to the field of alcohol studies. Understanding interactions between factors and evaluating ideas regarding how alcohol usage correlates to other cultural elements requires a number of cross-cultural comparisons. Anthropologists have analyzed a large global sample of cultures examining the association between particular traits for each which relate to the cultural components of alcoholism, these include significant measures which emphasize the social system, reliance and anxiety and strength as physical and social measures. These are the primary drivers of consuming alcohol affecting individuals on a psychosocial level.


Cultural influences

Individualistic cultures such as the United States or Australia are amongst some of the highest consumers of alcohol in the whole world, however this rate of consumption does not necessarily coincide with the rate of abuse as countries like Russia which are highly collectivist see the highest rates of alcohol use disorder. Research suggests that people who score highly on individualism, a trait commonly fostered by the culture, report a lower rate of alcohol abuse and alcohol related disorders so much so that the association was negative, however a higher average consumption of alcohol per week. It is implied that individuals will drink more in a given setting, or on average because they are less receptive towards negative social attitudes surrounding excessive consumption. This however acts on another component, by where individualism protects from maladaptive consumption by lowering the need to drink socially. The final axis by which individualism protects from abusive consumption is that it promotes higher degrees of individualization and achievement values which promote personally suited rewards, this allow the individual to be more cognizant of potential alcohol abuse, and therefore protect from damaging mentalities in those who already identify as drinkers. Alcohol use disorder also has a variety of biosocial implications, such as the physiologically effects of a detox, how the detox period interacts with ones social life and how these interactions can make overcoming addiction a complex, difficult process. Alcohol use disorder can lead to a number of physical issues and may even create a mental health condition, leading to a double classification for the alcoholic. The stress, the social perceptions of these issues may reinforce abusive drinking habits.


Diagnosis


DSM-IV

Alcohol abuse was defined in the
DSM-IV The ''Diagnostic and Statistical Manual of Mental Disorders'' (''DSM''; latest edition: ''DSM-5-TR'', published in March 2022) is a publication by the American Psychiatric Association (APA) for the classification of mental disorders using a com ...
as a maladaptive pattern of drinking. For its diagnosis, at least one of the following criteria had to be fulfilled in the last 12 months: * Recurrent use of alcohol resulting in a failure to fulfill major role obligations at work, school, or home * Recurrent alcohol use in situations in which it is physically hazardous * Recurrent alcohol-related legal problems * Continued alcohol use despite having persistent or recurrent social or interpersonal problems caused or exacerbated by the effects of alcohol


DSM-5

The alcohol abuse diagnosis is no longer used in the
DSM-5 The ''Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition'' (DSM-5), is the 2013 update to the '' Diagnostic and Statistical Manual of Mental Disorders'', the taxonomic and diagnostic tool published by the American Psychiat ...
(released in 2013), it is now part of the
alcohol use disorder Alcoholism is the continued drinking of alcohol despite it causing problems. Some definitions require evidence of dependence and withdrawal. Problematic use of alcohol has been mentioned in the earliest historical records. The World Hea ...
diagnosis. Of the four
alcohol abuse Alcohol abuse encompasses a spectrum of alcohol-related substance abuse. This spectrum can range from being mild, moderate, or severe. This can look like consumption of more than 2 drinks per day on average for men, or more than 1 drink per ...
criteria, all except the one referring to alcohol-related legal problems are included in the alcohol use disorder criteria. For the specific diagnosis, clinicians use the ICD-10-CM system to classify the specific disorder, which includes the disorder classification and its severity. There are two main categories of codes - one for the ''use disorder'' itself, and one for ''substance-induced disorder''. If the alcohol use is causing other problems, the ''induced disorder'' code must be used; if the alcohol use is present but not causing additional problems, the ''use disorder'' code must be used. F10 is the umbrella subcode for various alcohol-related disorders.


Screening

The
Alcohol Use Disorders Identification Test The Alcohol Use Disorders Identification Test (AUDIT) is a ten-item questionnaire approved by the World Health Organization to screen patients for hazardous (risky) and harmful alcohol consumption. It was developed from a WHO multi-country colla ...
(AUDIT) is considered the most accurate alcohol screening tool for identifying potential alcohol misuse, including dependence. It was developed by the World Health Organisation, designed initially for use in primary healthcare settings with supporting guidance.


Prevention

Preventing or reducing the harm has been called for via increased taxation of alcohol, stricter regulation of alcohol advertising, and the provision of brief Interventions. Brief Interventions for alcohol abuse reduce the incidence of unsafe sex, sexual violence, unplanned pregnancy, and, likely, STD transmission. Information and education on social norms and the harms associated with alcohol abuse delivered via the internet or face-to-face has not been found to result in any meaningful benefit in changing harmful drinking behaviours in young people. According to European law, individuals who are suffering from alcohol abuse or other related problems cannot be given a driver's license, or if in possession of a license cannot get it renewed. This is a way to prevent individuals driving under the influence of alcohol, but does not prevent alcohol abuse per se. An individual's need for alcohol can depend on their family's alcohol use history. For instance, if it is discovered that their family history with alcohol has a strong pattern, there might be a need for education to be set in place to reduce the likelihood of reoccurrence (Powers, 2007). However, studies have established that those with alcohol abuse tend to have family members who try to provide help. On many of these occasions, the family members would try to help the individual to change or to help improve the individual's lifestyle.


Social stigma

Several research studies suggest that stigmatization of substance use disorder is partially rooted in the belief that addiction is not a chronic illness but rather a conscious decision indicative of poor self-control or lacking restraint. Necessarily, public and internalized stigma surrounding alcoholism can have widespread effects. In an epidemiological survey of individuals with reported alcohol use disorder, the desire to both initiate and complete treatment were severely impacted by the stigma of substance use disorder. Participants conveyed fears pertaining to
social rejection Social rejection occurs when an individual is deliberately excluded from a social relationship or social interaction. The topic includes ''interpersonal rejection'' (or peer rejection), ''romantic rejection'', and ''familial estrangement''. A pe ...
and discrimination, job loss, and potential legal consequences. Men's issues with alcohol are shockingly common, yet societal norms often downplay the severity of this problem. Prevailing cultural images of men as stoic figures who can handle their alcohol perpetuate the dangerous myth that excessive drinking is a sign of strength. However, the reality is far from this stereotype, as men face unique challenges contributing to their struggles with alcohol, such as societal expectations, workplace pressures, and traditional notions of masculinity that discourage vulnerability. A major barrier to seeking treatment for those struggling with alcohol abuse is the stigma associated with alcohol abuse itself. Those who struggle with alcohol abuse are less likely to utilize substance (or alcohol) abuse treatment services when they perceived higher stigma with alcohol abuse. Additionally, study participants described the physical act of initiating treatment as substantiation of problematic drinking. Others attempted to avoid treatment and subsequent stigmatization by adjusting drinking behaviors to what they believed to be less maladaptive. Modifications included limiting excessive drinking to non-school or workdays, avoiding alcohol consumption before 5PM, or limiting use to weekends. stigmatization of individuals who abuse alcohol has been linked to increased levels of depression, increased levels of anxiety, decreased levels of self-esteem, and poor sleeping habits. While negative thoughts and views around the subject of alcohol abuse can keep those struggling with this issue from seeking the treatment they need, there have been several things that have been found to reduce this stigma. Social support can be an effective tool for counteracting the harmful effects of stigma and shame on those struggling with alcohol abuse. Social support can help push those struggling with alcohol abuse to overcome the negative connotation associated with their struggle and finally seek the treatment that they need.


Treatment


Rehabilitation

* Outpatient: Patients may live at home while in treatment and schedule therapy as needed. This allows patients the ability to work, attend school, and attend to activities of daily living as they normally would. * Intensive Outpatient: Allows patients who do not require regular supervision to attend weekly therapy and is less intensive than PHPs. * Partial Hospitalization Program: Allows patients who require regular supervision and need further detoxification to attend frequent therapy. While services are outpatient, sessions may occur up to 5 days per week and up to 8hrs per day. * Residential: Available as short-term or long-term. Residential treatment offers 24-hour rehabilitation and care. Patients receive supervised and structured therapy focusing on how to manage their alcohol use disorder in a day to day living situation, learning how to interact with the world without the use of substances.


Pharmacotherapy

*
Naltrexone Naltrexone, sold under the brand name Revia among others, is a medication primarily used to manage alcohol use or opioid use disorder by reducing cravings and feelings of euphoria associated with substance use disorder. It has also been ...
: Naltrexone is a prescribed opioid receptor antagonist which reduces both the cravings and the rewarding effects associated with alcohol consumption. Because patients may experience an overall reduction of alcohol consumption (reduced drinks per day, extended time between drinking days), it may allow some patients to moderate their alcohol use. As Naltrexone will precipitate withdrawal in patients with opioid dependence, patients should be detoxified from opioids. *
Acamprosate Acamprosate, sold under the brand name Campral, is a medication which reduces cravings in alcoholism. It is thought to stabilize neurotransmission, chemical signaling in the brain that would otherwise be disrupted by alcohol withdrawal. When us ...
: Though the mechanism of action is unclear, it is thought that Acamprosate modulates glutamate transmission. By modifying transmission along GABA and glutamine pathways, patients may experience decreased rewarding effects associated with alcohol intake and decreased withdrawal cravings. *
Disulfiram Disulfiram is a medication used to support the treatment of chronic alcoholism by producing an acute sensitivity to ethanol (drinking alcohol). Disulfiram works by Enzyme inhibition, inhibiting the enzyme aldehyde dehydrogenase (specifically ALD ...
: Disulfiram is a prescribed medication which acts as an Aldehyde Dehydrogenase inhibitor, resulting in the accumulation of acetaldehyde. When Alcohol is consumed following Disulfiram, acetaldehyde builds up leading to unpleasant physiological effects (tachycardia, flushing, headache, nausea, and vomiting). Further, the severity of the reaction is dependent on the amount of alcohol consumed. Because of this physical discomfort, Disulfiram functions as a psychological deterrent and can be effective for highly motivated, abstinent patients under supervised settings. Notably, due its distressing effects with continued alcohol consumption, medication adherence can be difficult. *
Topiramate Topiramate, sold under the brand name Topamax among others, is a medication used to treat epilepsy and prevent migraines. It has also been used for alcohol dependence and essential tremor. For epilepsy, this includes treatment for generali ...
: Topiramate is an anticonvulsant approved for the management of epileptic seizures and used off label in the treatment of alcohol use disorder. It modulates GABA neurotransmission, and inhibits glutamate receptors, reducing cravings for alcohol and alcohol use. *
Gabapentin Gabapentin, sold under the brand name Neurontin among others, is an anticonvulsant medication primarily used to treat neuropathic pain and also for partial seizures of epilepsy. It is a commonly used medication for the treatment of neuropath ...
: Gabapentin is an anticonvulsant approved for the management of epileptic seizures and neuropathic pain and used off label in the treatment of alcohol use disorder. It modulates GABA synthesis, reducing cravings for alcohol and alcohol use.


Therapy Based Treatment

*
Cognitive Behavioral Therapy Cognitive behavioral therapy (CBT) is a form of psychotherapy that aims to reduce symptoms of various mental health conditions, primarily depression, PTSD, and anxiety disorders. Cognitive behavioral therapy focuses on challenging and chang ...
(CBT): Patient and therapist set an agenda, review homework, and challenge cognitive distortions. The patients learn how their feelings and behavior are influenced by their thoughts. It can help patients manage the urge to drink using a problem-solving based approach. * Motivational Interviewing (MI): Focuses on strengthening personal motivations for change. Patients discuss the need to alter their behavior and the reasons underlying their desire to do so. * Motivational Enhancement Therapy (MET): MET is a version of MI that focuses specifically on patients struggling with alcohol and/or substance use. It is organized based on interventions designed changing patterns of alcohol consumption summarized as FRAMES: Feedback, Responsibility, Advice, Menu, Empathy, Self-Efficacy *
Mindfulness Mindfulness is the cognitive skill, usually developed through exercises, of sustaining metacognitive awareness towards the contents of one's own mind and bodily sensations in the present moment. The term ''mindfulness'' derives from the Pali ...
: Mindfulness-based intervention programs (that encourage people to be aware of their own experiences in the present moment and of emotions that arise from thoughts) can reduce the consumption of alcohol.


Peer Support Groups

*
Alcoholics Anonymous Alcoholics Anonymous (AA) is a global, peer-led Mutual aid, mutual-aid fellowship focused on an abstinence-based recovery model from alcoholism through its spiritually inclined twelve-step program. AA's Twelve Traditions, besides emphasizing anon ...
* Al-Anon * 12 step programs *
SMART Recovery SMART Recovery is an international community of peer support groups that aims to help people recover from addictive and problematic behaviors. SMART stands for Self-Management and Recovery Training. The SMART approach is secular and research-b ...


Prognosis

Alcohol abuse during adolescence, especially early adolescence (i.e. before age 15), may lead to long-term changes in the brain which leaves them at increased risk of alcoholism in later years; genetic factors also influence age of onset of alcohol abuse and risk of alcoholism. For example, about 40 percent of those who begin drinking alcohol before age 15 develop alcohol dependence in later life, whereas only 10 percent of those who did not begin drinking until 20 years or older developed an alcohol problem in later life. It is not entirely clear whether this association is causal, and some researchers have been known to disagree with this view. Alcohol use disorders often cause a wide range of cognitive impairments that result in significant impairment of the affected individual. If alcohol-induced
neurotoxicity Neurotoxicity is a form of toxicity in which a biological, chemical, or physical agent produces an adverse effect on the structure or function of the central and/or peripheral nervous system. It occurs when exposure to a substance – specifical ...
has occurred a period of abstinence for on average a year is required for the cognitive deficits of alcohol abuse to reverse. College/university students who are heavy binge drinkers (three or more times in the past two weeks) are 19 times more likely to be diagnosed with alcohol dependence, and 13 times more likely to be diagnosed with alcohol abuse compared to non-heavy episodic drinkers, though the direction of causality remains unclear. Occasional binge drinkers (one or two times in the past two weeks), were found to be four times more likely to be diagnosed with alcohol abuse or dependence compared to non-heavy episodic drinkers.


Epidemiology

Alcohol abuse is said to be most common in people aged between 15 and 24 years, according to Moreira 2009. However, this particular study of 7275 college students in England collected no comparative data from other age groups or countries. Causes of alcohol abuse are complex and are likely the combination of many factors, from coping with stress to childhood development. The US Department of Health & Human Services identifies several factors influencing adolescent alcohol use, such as risk-taking, expectancies, sensitivity and tolerance, personality and psychiatric comorbidity, hereditary factors, and environmental aspects. Studies show that child maltreatment such as neglect, physical, and/or sexual abuse, as well as having parents with alcohol abuse problems, increases the likelihood of that child developing alcohol use disorders later in life. According to Shin, Edwards, Heeren, & Amodeo (2009), underage drinking is more prevalent among teens that experienced multiple types of childhood maltreatment regardless of parental alcohol abuse, putting them at a greater risk for alcohol use disorders. Genetic and environmental factors play a role in the development of alcohol use disorders, depending on age. The influence of genetic risk factors in developing alcohol use disorders increase with age ranging from 28% in adolescence and 58% in adults.


Societal and economic costs

Alcohol abuse is associated with many accidents, fights, and offences, including criminal. Alcohol is responsible in the world for 2.6 million deaths and results in disability in approximately 115.9 million people. Approximately 40 percent of the 115.9 million people disabled through alcohol abuse are disabled due to alcohol-related neuropsychiatric disorders. Alcohol abuse is highly associated with adolescent suicide. Adolescents who abuse alcohol are 17 times more likely to commit suicide than adolescents who don't drink. Additionally, alcohol abuse increases the risk of individuals either experiencing or perpetrating
sexual violence Sexual violence is any harmful or unwanted Human sexual activity, sexual act, an attempt to obtain a sexual act through violence or coercion, or an act directed against a person's sexuality without their consent, by any individual regardless of ...
. Alcohol availability and consumption rates and alcohol rates are positively associated with
violent crime A violent crime, violent felony, crime of violence or crime of a violent nature is a crime in which an offender or perpetrator uses or threatens to use harmful Force (law), force upon a victim. This entails both crimes in which the violence, vio ...
s, through specifics differ between particular countries and cultures.


By country

According to studies of present and former alcoholic drinkers in Canada, 20% of them are aware that their drinking has negatively impacted their lives in various vital areas including finances, work and relationships. Problems caused by alcohol abuse in Ireland cost about 3.7 billion euro in 2007. The last cost analysis of the financial burden of alcohol-related harm was carried out in 2014 and amounted to around €2.35 billio

The OECD estimates that the annual damage is now between 9.6 and 12 billion euro

In South Africa, where HIV infection is epidemic, alcohol abusers expose themselves to an increased risk of this infection due to displaying more sexually risky behaviour after drinking. This kind of behaviour includes not using protection, taking part in transactional sex, and/or having multiple sexual partners. The introduction of
alcopops An alcopop (or cooler) is a category of mixed alcoholic beverages with relatively low alcohol content (e.g., 3–7% alcohol by volume), including: # Malt beverages to which various fruit juices or other flavorings have been added # Wine coolers: ...
, sweet and pleasantly flavoured alcoholic drinks, was responsible for half of the increase in alcohol abuse in 15- and 16-year-olds, according to one survey in
Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...
. In the case of girls, the alcopops, which disguise the taste of alcohol, were responsible for two thirds of the increase. The introduction of alcopops to Sweden was a result of Sweden joining the
European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...
and adopting the entire
European Union law European Union law is a system of Supranational union, supranational Law, laws operating within the 27 member states of the European Union (EU). It has grown over time since the 1952 founding of the European Coal and Steel Community, to promote ...
. Alcohol misuse costs the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
's
National Health Service The National Health Service (NHS) is the term for the publicly funded health care, publicly funded healthcare systems of the United Kingdom: the National Health Service (England), NHS Scotland, NHS Wales, and Health and Social Care (Northern ...
£3 billion per year. The cost to employers is 6.4 billion pounds sterling per year. These figures do not include the crime and social problems associated with alcohol misuse. The number of women regularly drinking alcohol has almost caught up with men. According to the Institute of Alcohol Studies in 2024, the annual cost of alcohol harm to society in England is £27.44 billio

In the
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
, many people are arrested for
drinking and driving Drunk driving (or drink-driving in British English) is the act of driving under the influence of alcohol. A small increase in the blood alcohol content increases the relative risk of a motor vehicle crash. In the United States, alcohol is in ...
. Also, people under the influence of alcohol commit a large portion of various violent crimes, including
child abuse Child abuse (also called child endangerment or child maltreatment) is physical abuse, physical, child sexual abuse, sexual, emotional and/or psychological abuse, psychological maltreatment or Child neglect, neglect of a child, especially by a p ...
and
homicide Homicide is an act in which a person causes the death of another person. A homicide requires only a Volition (psychology), volitional act, or an omission, that causes the death of another, and thus a homicide may result from Accident, accidenta ...
. They also commit a large portion of acts of
suicide Suicide is the act of intentionally causing one's own death. Risk factors for suicide include mental disorders, physical disorders, and substance abuse. Some suicides are impulsive acts driven by stress (such as from financial or ac ...
. In addition, people of minority groups are affected by alcohol-related problems disproportionately, with the exception of
Asian American Asian Americans are Americans with ancestry from the continent of Asia (including naturalized Americans who are immigrants from specific regions in Asia and descendants of those immigrants). Although this term had historically been used fo ...
s. According to criminologist Hung-En Sung "alcohol is the most widely abused
psychoactive substance A psychoactive drug, psychopharmaceutical, mind-altering drug, consciousness-altering drug, psychoactive substance, or psychotropic substance is a chemical substance that alters psychological functioning by modulating central nervous system acti ...
in the United States". In 2018,
Ministry of Social Justice and Empowerment The Ministry of Social Justice and Empowerment is a Government of India Ministry (government department), ministry. It is responsible for welfare spending, welfare, social justice and empowerment of disadvantaged and marginalised sections of soc ...
under the
Government of India The Government of India (ISO 15919, ISO: Bhārata Sarakāra, legally the Union Government or Union of India or the Central Government) is the national authority of the Republic of India, located in South Asia, consisting of States and union t ...
launched the National Action Plan for Drug Demand Reduction (NAPDDR). The Scheme of Assistance for the Prevention of Alcoholism & Substance (Drugs) Abuse and for Social Defence Services is the flagship programme which was launched under this action plan. Its objective is to create awareness about the ill effects of alcoholism and substance abuse, as well as providing a comprehensive range of community-based services for indemnification, motivation, counselling, de-addiction, aftercare, and rehabilitation for whole-person recovery (WPR) of addicts. In the 2025-26 budget, the Union Government allocated ₹333 crores to the NAPDDR.


See also

* 0-0-1-3 – a
United States Air Force The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...
program for alcohol abuse prevention * Drunken monkey hypothesis


References


Further reading

*


External links


dassa.sa.gov.au

Rethinking Drinking
National Institute on Alcohol Abuse and Alcoholism
Alcohol and Crime: Data from 2002 to 2008
Bureau of Justice Statistics The Bureau of Justice Statistics (BJS) of the U.S. Department of Justice is the principal federal agency responsible for measuring crime, criminal victimization, criminal offenders, victims of crime, correlates of crime, and the operation of c ...

Healthy Youth! Alcohol & Drug Abuse – U.S. Centers for Disease Control (CDC)
{{Psychoactive substance use Substance abuse