Muscle twitches, often experienced as sudden, involuntary movements in the muscles, are common yet can raise concerns for some individuals. These small, rapid contractions, medically known as ...

The muscle twitch creates short, involuntary muscle contractions, which affect tiny muscle areas that lie beneath the skin.

You’re sitting at your computer when it starts — that annoying flutter in your eyelid that feels like a tiny butterfly trapped under your skin. Most of the time, eye twitching is harmless and goes ...