Document Detail

The Modern Obesity Epidemic, Ancestral Hunter-Gatherers, and the Sensory/Reward Control of Food Intake.
MedLine Citation:
PMID:  23244211     Owner:  NLM     Status:  Publisher    
Obesity has become a true pandemic. In the United States, over two thirds of adults are obese or overweight. The prevalence of obesity has doubled since 1980. The increase in the prevalence of obese and overweight individuals has happened too rapidly for it to be due to an alteration in the genome. The gastrointestinal, sensory (taste and olfaction), and brain feeding mechanisms that developed during the past 2 million years were highly adaptive for ancestral hunter-gatherers living in an environment with limited high-density foods and periods of food deprivation. Today, however, humans in industrialized countries live in what has been called an "obesogenic environment." The nonhomeostatic brain reward circuitry that was acquired during evolution to seek out and eat as many nutritionally high-dense foods as possible is able to overrule the physiological inhibitory mechanisms that were designed to limit meal size and weight gain. (PsycINFO Database Record (c) 2012 APA, all rights reserved).
Bruce M King
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-17
Journal Detail:
Title:  The American psychologist     Volume:  -     ISSN:  1935-990X     ISO Abbreviation:  Am Psychol     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370521     Medline TA:  Am Psychol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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