Enzyme drives middle-age weight and fitness changes

There is an enzyme that drives middle age weight and fitness changes in people. A scientist was the one that identified an enzyme in animal studies whose activity promoted weight gain and the loss of exercise capacity. The findings can actually lead to more effective weight loss medications. Researchers have long known that losing weight becomes harder and harder as you get older and your body slows down. It starts between the ages of 30 and 40.

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