Skeletal muscle is the type of muscle that controls movement. Problems with these muscles can be minor, life-threatening, or ongoing problems that make it hard to perform basic daily activities.

If exercise feels harder than it should, chronic stress may be working against you. Learn how to regulate your physiology so ...

When the immune system is battling an invader like cancer or a virus over long stretches of time, it can get tired. In a recent study, researchers discovered what could help stave off this "immune ...