Long workdays. Missed meals. Poor sleep. Most people blame these when legs cramp at night or eyelids twitch during meetings.

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or your foot that begins to spasm—sometimes for a few seconds, sometimes for ...

Persistent muscle twitching can be terrifying, especially with internet searches pointing to worst-case scenarios. Benign ...

While sitting still at your desk or watching TV, you sense a feeling of muscular discomfort in your arm or leg. It’s not quite a charley horse, but you can see your skin pulsating involuntarily, as if ...

Experts share what role potassium plays in your body, the best foods that contain it, and when you should consider a ...

Have you ever been surprised by an unexpected twitch in your left eye and wondered if it might be more than just a harmless ...