After you hit 50 or so, especially if you're a couch potato, you start losing muscle tissue at an accelerated rate of about half a pound a year. But the right kind of exercise can make all the difference, a team of researchers reports in the journal Medicine & Science in Sports & Exercise. After analyzing scientific literature on the topic, the researchers concluded strength training can reverse age-related muscle loss.
See also: Strength training improves brain health.
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