Resistance exercise is the way to go for people who want to increase their muscle size and strength, while endurance exercise is key for boosting stamina. But what are the mechanisms that drive the body's response to these different forms of exercise? A new study has identified one gene that plays a key role.
[A man lifting a weight]
Researchers find that a gene called PGC-1α plays an important role in the body's response to difference forms of exercise.

Study coauthor Heikki Kainulainen, of the University of Jyväskylä in Finland, and colleagues publish their findings in the journal Physiological Reports.

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