Occasional leg cramps are considered common and usually harmless, especially after physical exertion, dehydration, or ...

Spaceflight takes a physical toll on astronauts, causing muscles to atrophy, bones to thin and bodily fluids to shift.

Almost everyone has felt it at least once. You are on the edge of sleep when your body suddenly jolts, often paired with the ...

Many people have had the experience, as the head hits the pillow, of a strong sensation of falling as one drifts off to sleep ...

Sometimes your body can do weird things like twitching eyelids or nervous sweating which feel random. Dr Khan explains the ...

Brrr! It’s cold out there—but bundling up and braving the chill to exercise comes with its perks. Because your body is ...

A scientific review on autoimmune neurological diseases reveals what occurs in our body when the immune system, by mistake, produces antibodies that target a protein essential for the normal ...

A review on autoimmune neurological diseases reveals what occurs in our body when the immune system, by mistake, produces antibodies that target a protein essential for the normal functioning of ...

A scientific review on autoimmune neurological diseases reveals what occurs in our body when the immune system, by mistake, produces antibodies that target a protein essential for the normal ...

Loss of muscle mass (muscle atrophy) can be a result of aging or lifestyle habits, like being inactive or eating a poor diet. Muscle loss can also point to hormone abnormalities or underlying health ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. You’re walking down a Chicago street on a blustery winter day ...