Repeated exercise, or wasting, can change the way key genes work.

If you've let your workout routine slide, the first time back in the gym can be a humbling experience. Your shoulders quake and quads tremble at what were once easy lifts. Luckily, research suggests ...

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If the season or an injury has derailed your gym routine, don't sweat it. New research shows your muscles can regain lost strength faster than you... After a break from strength training, muscle ...