You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...

Could plastic byproducts and forever chemicals found in drinking water cause your body to attack your own nervous system? New ...

Most people never think twice about their ears, until they catch a strange little twitch they can't explain. It might happen ...

After 50, building and keeping muscle becomes more about working with your body than pushing against it. Hormones change, ...

Unknown substance caused chest pain, muscle spasms in staffers at California prison, report says Five staffers were hospitalized after an unknown substance was discovered in a Chino prison, ...

Five staffers were hospitalized after an unknown substance was discovered in a Chino prison, authorities said Tuesday, Jan 20. Firefighters with the Chino Valley Fire District responded to the ...

Experts say the secret to feeling strong in the long term is to focus less on the size of a muscle and more on what it can ...

A medical puzzle is solved. The treatment for this rare diagnosis is giving a grandfather his life back.

Fifteen prescription medications will be the focus of federal price negotiations that could lower prices for Medicare ...