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'At 60, I Became A Bodybuilding Champion. These Fitness Hacks Helped Me Build Muscle.'

I have been working out my entire life—I ran multiple marathons, regularly took bootcamp-style fitness classes and Pilates, but I never committed to building muscle. When I did lift weights (mostly in ...

5 key steps to build muscle and its many science-backed health benefits

To build muscle, it's important to stick to a strength training routine and eat lots of protein. Here are the best exercises and foods for you.
Time

How Toned Arms Became a Status Symbol—And an Impossible Standard

Photo-Illustration by TIME (Source Images: NoSystem images/Getty Images, Jacob Ammentorp Lund—Getty Images, Joel Sorrell—Getty Images, Halfpoint/Getty Images, WayUp Productions/Getty Images, ...