The phrenic nerve is the nerve that controls your diaphragm, the dome-shaped muscle that helps you breathe. The diaphragm muscles expand and tighten the lungs to help you draw air into them. The ...

‌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 ...

Hiccups are no joke when you have been hiccuping for two months—as Anna Mayer had. Shrunk to a starved 82 pounds, she lay convulsed with racking spasms, 60 to the minute. Desperate measures were ...