But that doesn't mean their occurrence is any less painful or the inconvenience they cause diminished. A muscle spasm, also known as a cramp, twitch or charley horse, is the sudden and involuntary ...

When you’re low, you may experience adverse symptoms like a headache, dehydration, or mental confusion. Here’s how to tell if ...

Robert F. Kennedy, Jr. has struggled for decades with a rare disorder affecting his speech, causing his voice to sound strained and raspy when he speaks.

Spasmodic dysphonia is considered a task-specific type of dystonia, which means it affects regular speech. It’s less likely ...

Spasmodic dysphonia is a neurological disorder that causes muscle spasms in the voice box or larynx, according to the NIH. How severe the spasms are can range greatly. For some, they may find ...