Add Yahoo as a preferred source to see more of our stories on Google. Why is it harder to build muscle as you age? DjelicS/iStock via Getty Images There is perhaps no better way to see the absolute ...

Medically reviewed by Lindsay Cook, PharmD Amino acids are the building blocks of proteins, which your body needs for basic ...

Muscles can get bigger and stronger, but they don't get toned-er. Sort of.

Changing your rep range and your workout intensity can help you build more muscle, says an exercise scientist with decades of ...

Add Yahoo as a preferred source to see more of our stories on Google. Starting a new strength training program? Here's what you need to know about how long it takes to build muscle. When it comes to ...

There is perhaps no better way to see the absolute pinnacle of human athletic abilities than by watching the Olympics. But at the Winter Games this year — and at almost all professional sporting ...

A comprehensive guide to max out your gains and fill out your shirtsleeves, according to exercise experts.

Last week, I wrote a post about how high-intensity aerobic exercise can stimulate the release of brain-derived neurotrophic factor (BDNF), a protein that's often described as Miracle-Gro for the brain ...