‌Hemifacial spasm is a disorder of the nerves and muscles that causes nonpainful involuntary twitching on one side of the face. Many people refer to hemifacial spasms as lip muscle spasms. Hemifacial ...

Researchers are still studying the effects of the new coronavirus on the body. Some people may report a set of symptoms affecting the toes or fingers that others may refer to as “COVID toes.” An ...