Body & Brain

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illustration of different weight loss surgeries

Two types of weight loss surgeries, Roux-en-Y gastric bypass (center) and vertical banded gastroplasty (right), change the mix of microbes in women’s intestines. Mice with microbes transplanted from the women who had surgeries gained less weight than did mice that got bacteria from obese women. 

chili peppers

Capsaicin, the active ingredient in chili peppers, may be associated with longevity, a new study finds.

astrocytes

HELPING HAND  Nearby astrocytes help move electrical signals along nerve cells, a new study reveals. 

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