Reubin Andres (June 13, 1923 – September 23, 2012) was an American gerontologist.

Early life and education

Reubin Andres was born on June 13, 1923 in

Dallas, Texas Dallas () is a city in the U.S. state of Texas and the most populous city in the Dallas–Fort Worth metroplex, the List of Texas metropolitan areas, most populous metropolitan area in Texas and the Metropolitan statistical area, fourth-most ...

in a

Yiddish Yiddish, historically Judeo-German, is a West Germanic language historically spoken by Ashkenazi Jews. It originated in 9th-century Central Europe, and provided the nascent Ashkenazi community with a vernacular based on High German fused with ...

-speaking family. He initially attended

Southern Methodist University Southern Methodist University (SMU) is a Private university, private research university in Dallas, Texas, United States, with a satellite campus in Taos County, New Mexico. SMU was founded on April 17, 1911, by the Methodist Episcopal Church, ...

but left in 1941 due to religious constraints. Despite this, he was admitted to Southwestern Medical School, graduating at the age of 21. Concurrently, he served in the U.S. Army in

Korea Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...

and

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

, tasked with controlling

malaria Malaria is a Mosquito-borne disease, mosquito-borne infectious disease that affects vertebrates and ''Anopheles'' mosquitoes. Human malaria causes Signs and symptoms, symptoms that typically include fever, Fatigue (medical), fatigue, vomitin ...

and

venereal disease A sexually transmitted infection (STI), also referred to as a sexually transmitted disease (STD) and the older term venereal disease (VD), is an infection that is spread by sexual activity, especially vaginal intercourse, anal sex, or ...

s, and contracted malaria himself.

Career

Andres moved to

Baltimore Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...

for research at

Johns Hopkins University The Johns Hopkins University (often abbreviated as Johns Hopkins, Hopkins, or JHU) is a private university, private research university in Baltimore, Maryland, United States. Founded in 1876 based on the European research institution model, J ...

. In the late 1950s, he joined the Gerontology Research Center, which later became the National Institute on Aging, at the request of Nathan Shock.

Research

Andres proposed the theory that older adults could potentially benefit from gradual weight gain, which contradicted the prevailing view on maintaining a consistent weight throughout adulthood. The theory continues to be debated, despite some supporting studies, as the

National Institute of Health The National Institutes of Health (NIH) is the primary agency of the United States government responsible for biomedical and public health research. It was founded in 1887 and is part of the United States Department of Health and Human Servic ...

maintains its differing stance. In the field of

diabetes Diabetes mellitus, commonly known as diabetes, is a group of common endocrine diseases characterized by sustained high blood sugar levels. Diabetes is due to either the pancreas not producing enough of the hormone insulin, or the cells of th ...

research, Andres developed the

glucose Glucose is a sugar with the Chemical formula#Molecular formula, molecular formula , which is often abbreviated as Glc. It is overall the most abundant monosaccharide, a subcategory of carbohydrates. It is mainly made by plants and most algae d ...

insulin Insulin (, from Latin ''insula'', 'island') is a peptide hormone produced by beta cells of the pancreatic islets encoded in humans by the insulin (''INS)'' gene. It is the main Anabolism, anabolic hormone of the body. It regulates the metabol ...

clamp technique, a method for accurately manipulating insulin and glucose levels. This tool has been used in the investigation of new interventions for

Type 2 diabetes Type 2 diabetes (T2D), formerly known as adult-onset diabetes, is a form of diabetes mellitus that is characterized by high blood sugar, insulin resistance, and relative lack of insulin. Common symptoms include increased thirst, frequent ...

. In recognition of his work, he was awarded the Albert Renold Award from the

American Diabetes Association The American Diabetes Association (ADA) is a United States-based nonprofit that seeks to educate the public about diabetes and to help those affected by it through funding research to manage, cure and prevent diabetes, including type 1 diabetes ...

in 2000.

References

{{US-physician-stub 1923 births 2012 deaths American gerontologists National Institutes of Health people Physicians from Dallas University of Texas Southwestern Medical Center alumni American diabetologists Yiddish-speaking people 20th-century American physicians Jews from Texas