This is Dr. David
James Neel, a professor of Human Genetics at the University of Michigan Medical School, proposed the "thrifty genotype" hypothesis in 1962 in his paper "Diabetes Mellitus: A 'Thrifty' Genotype Rendered Detrimental by 'Progress'?"
Neel intended the paper to provoke further contemplation and research on the possible evolutionary and genetic causes of diabetes among populations that had only recently come into regular contact with Westerners
here is more modern research into the idea
Nutr Diabetes. 2012 Jul 30;2:e37. doi: 10.1038/nutd.2012.9. Beyond the fourth wave of genome-wide obesity association studies. Sandholt CH1, Hansen T, Pedersen O. Author information 1The Novo Nordisk Foundation Center for Basic Metabolic Research, Section of Metabolic Genetics, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark.
Eur J Clin Invest. 2011 Jun;41(6):679-92. doi: 10.1111/j.1365-2362.2010.02454.x. Epub 2010 Dec 30. Genetics of type 2 diabetes: pathophysiologic and clinical relevance. Herder C1, Roden M. Author information 1Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Germany.***@******.***
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