Lack of sleep affects fat metabolism

A restricted-sleep schedule built to resemble an American work week made study participants feel less full after a fatty meal and altered their lipid metabolism. One night of recovery sleep helped, but didn't completely erase the effects of sleep restriction.

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Heart-healthy forager-farmers in lowland Bolivia are changing diets and gaining weight

A group of forager-farmers in Bolivia's tropical forests — known for having remarkable cardiovascular health and low blood pressure — experienced changes in body mass and diet over a nine-year period, with increased use of cooking oil being the most notable dietary change.

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