Drugs To Bulk Up Muscles May Make Injuries More Likely
Block the action of a protein that normally regulates muscle mass, and watch your muscles grow. That may sound like a good idea to people with muscle-wasting diseases such as muscular dystrophy, and to older people, whose muscles naturally get smaller and weaker with age. Drugs that restrict the protein myostatin, which normally prevents muscles from being overly bulky, are currently under study, but not on the market, for some medical conditions.
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