Have you heard of fast-twitch and slow-twitch muscle fibers? These are the two types of muscle that are responsible for all your gains in the gym. And depending on how you train — and even your own ...

For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

ASMAs were first discovered in 1965 in people with chronic active hepatitis. Usually, your immune system will attack foreign bodies like a parasite or a virus with the antibodies made for defending ...