Medical research

Biologists find a way to boost intestinal stem cell populations

Cells that line the intestinal tract are replaced every few days, a high rate of turnover that relies on a healthy population of intestinal stem cells. MIT and University of Tokyo biologists have now found that aging takes ...

Medical research

In mice, calorie restriction reduces fat but increases fur

Calorie restriction may help mice stay slim and live longer, but it also means less fat to keep their bodies warm. Researchers in Brazil have found that mouse skin responds to caloric restriction by stimulating fur growth, ...

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