Ever wonder why some people seem to pack on muscle effortlessly while others spend months in the gym with little to show for it? Muscle growth isn't just about lifting weights -- it's a complex ...

Building muscle depends on several factors and isn't something that'll happen overnight after just one workout.

Absolutely NOT! This is one of the biggest fears and one of the most persistent myths in the world of women's fitness. Due to our hormones (we have much less testosterone than men), it's extremely ...

The more we move, the more our muscle cells begin to make a memory of that exercise. MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you ...