Psychological Stress Linked To Overeating, Monkey Study Shows

Researchers found socially subordinate female rhesus macaques over consume calorie-rich foods, resulting in accelerated weight gain and an increase in fat-derived hormones. The study is a critical step in understanding the psychological basis for the sharp increase in obesity across all age groups since the mid-1970s. This is the first study to show how food intake can be reliably and automatically measured, thus identifying the optimal animal model and setting for future obesity studies.

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