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

If you’ve ever developed an eye twitch, you’ll know how disconcerting it can be. But thankfully, according to ophthalmologists, that irritation is likely nothing to worry about. “The medical word for ...

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 ...