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Grizzly bears master healthy obesity

Tuned insulin signals may keep animals free of diabetes

A grizzly bear eating a fish

BEARING WEIGHT  Feasting in the fall helps grizzlies pack on pounds for winter, but the animals manage to stay healthy while obese by adjusting insulin signals.

Kevin Corbit

By Meghan Rosen

- More than 2 years ago

Update, September 3, 2015: The study described in this article has been retracted. Amgen, the pharmaceutical company that employs scientists who coauthored the paper, requested the retraction after discovering that one of their scientists had manipulated experimental data.