U-M Researchers Solve a Molecular Mystery in Muscle

Monday, March 15, 2010 - 16:49 in Health & Medicine

The muscle-building abilities of hormones known as insulin-like growth factors (IGFs) are legendary. Just do an online search and you'll find not only scientific papers discussing the effects of IGFs on the cells that give rise to muscle tissue, but also scores of ads touting the purported benefits of IGF supplements for bodybuilding.

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