Food Aversion (other)
Food aversion may refer to: * Anorexia nervosa, an eating disorder in which people avoid eating due to concerns about body weight or body image * Food neophobia, the fear of eating new or unfamiliar foods, commonly observed in children * Avoidant/restrictive food intake disorder, an eating disorder in which people avoid eating or eat only a very narrow range of foods * Conditioned food aversion Poison shyness, also called conditioned food aversion, refers to the avoidance of a toxic substance by an animal that has previously ingested that substance. Animals learn an association between stimulus characteristics, usually the taste or odor, ...

Anorexia Nervosa
Anorexia nervosa, often referred to simply as anorexia, is an eating disorder characterized by underweight, low weight, Calorie restriction, food restriction, body image disturbance, fear of gaining weight, and an overpowering desire to be thin. ''Anorexia'' is a term of Greek origin: ''an-'' (ἀν-, prefix denoting negation) and ''orexis'' (ὄρεξις, "appetite"), translating literally to "a loss of appetite"; the adjective ''nervosa'' indicating the functional and non-organic nature of the disorder. ''Anorexia nervosa'' was coined by Gull in 1873 but, despite literal translation, the feeling of hunger is frequently present and the pathological control of this instinct is a source of satisfaction for the patients. Individuals with anorexia nervosa have a fear of being overweight or being seen as such, although they are in fact underweight. The DSM-5 describes this perceptual symptom as "disturbance in the way in which one's body weight or shape is experienced". In resea ...
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Food Neophobia
Neophobia is the fear of anything new, especially a persistent and abnormal fear. In its milder form, it can manifest as the unwillingness to try new things or break from routine. In the context of children the term is generally used to indicate a tendency to reject unknown or novel foods. Food neophobia, as it may be referred to, is an important concern in pediatric psychology. In biomedical research, neophobia is often associated with the study of taste. Terminology The word ''neophobia'' comes from the Greek νέος, ''neos'', meaning "new, young", and φόβος, ''phobos'', for "fear". ''Cainophobia'' comes from the Greek καινός, ''kainos'', meaning "new, fresh". Alternative terms for neophobia include ''metathesiophobia'', ''prosophobia'', ''cainotophobia'' (or ''cainophobia''), and ''kainophobia'' (or ''kainolophobia''). Examples Norway rats and house mice are thought to have evolved increased levels of neophobia as they became commensal with humans because h ...
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Avoidant/restrictive Food Intake Disorder
Avoidant/restrictive food intake disorder (ARFID) is a type of eating disorder in which people eat only within an extremely narrow repertoire of foods. It is a serious mental health condition that causes the individual to restrict food intake by volume and/or variety. This avoidance may be based on appearance, smell, taste, texture (because of sensory sensitivity), brand, presentation, fear of adverse consequences, lack of interest in food, or a past negative experience with the food, to a point that may lead to nutritional deficiencies, failure to thrive, or other negative health outcomes. The fixation is not caused by a concern for body appearance or in an attempt to lose weight. Signs and symptoms People with ARFID have an inability to eat certain foods. "Safe" foods may be limited to certain food types and even specific brands. In some cases, individuals with the condition will exclude whole food groups, such as fruit or vegetables. Sometimes excluded foods can be refused ba ...
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