Eurek Alert: 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 surprising molecular “switch” that may help to explain why this happens.
Studying lab animals and humans, Lessard and her colleagues discovered that a protein called c-Jun N-terminal kinase (JNK)helps to drive response to exercise.
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