Levator ani syndrome (LAS) is a pelvic floor disorder that causes recurrent pain and discomfort in the rectal and pelvic areas of the body. With LAS, tension or spasms occur in the levator ani ...

‌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 ...

Chronic anal fissures are tears in the tissue of the anal canal that last for more than 8 weeks. Unlike acute fissures that often heal on their own, chronic anal fissures require medical treatment.

Coronary artery spasms temporarily tighten the arteries that wrap around your heart. Your coronary arteries are blood vessels that supply blood and oxygen to your entire heart muscle. The artery walls ...

Twitching at night—it’s something few of us talk about, yet it’s also a phenomenon that impacts Americans when it comes to sleep quality. And even if you feel like you’re getting enough sleep, you ...

Twitching at night—it’s something few of us talk about, yet it’s also a phenomenon that impacts Americans when it comes to sleep quality. And even if you feel like you’re getting enough sleep, you ...