Sometimes, people experience random muscle twitches that interrupt their normal daily activities. This is usually not harmful, but can produce discomfort. These random muscle twitches, known as ...

Many people experience a sudden jerk as they fall asleep—about 70 percent. We explain where this twitching actually comes from, what causes it, and when you should see a doctor. The post Why Do We ...

It seems Chrissy Teigen has developed an unexplained ailment. The model, who is one of the judges on NBC's new comedy show, Bring the Funny, premiering tonight, took to Twitter to explain what exactly ...