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 ...

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 ...