Medical research

Muscle 'switch' may control the benefits of exercise

Some people respond well to both aerobic exercise and strength training, while others don't. And some of us respond well to only one of those things, but not both. Scientists at Joslin Diabetes Center now have uncovered a ...

Medical research

Why does maximum heart rate drop with age?

Researchers at the University of Colorado have new insight into the age-old question of why maximum heart rate (maxHR) decreases with age. This decrease in maxHR not only limits the performance of aging athletes but it is ...

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