Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

It has happened to many of us. While in the middle of work, a study session or just spending time with friends, your eyelid flutters for no apparent reason. At first, it may be nothing more than a ...

Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp. Muscle spasms are common and typically don't signal a severe health ...

If you’ve ever experienced an eye twitch, you know just how irritating it can be. While usually not dangerous, it can seemingly appear out of nowhere, sometimes last for weeks, and then disappear just ...

Ever feel like your lower eyelid has its own heartbeat? I know mine is liable to twitch uncontrollably every once in a while, even though I can’t seem to find a good reason for the sudden cramping.

Twitching at night—it’s something few of us talk about, yet it’s also a phenomenon that impacts Americans when it comes to sleep quality. And even if you feel like you’re getting enough sleep, you ...

At some point or another, we’ve all experienced the acute, uncomfortable pain that is muscle cramp. Whether it’s during a run or – arguably worse – when you’re trying to get some post-run rest in bed, ...