Researchers have conclusively identified the genetic cause of a rare, progressive movement disorder. A rare extra-long version of a gene appears to cause nerve cells to become poisoned by toxic ...

Tourette syndrome (TS) is a neurological disorder. Tourette syndrome causes unwanted repetitive movements or sounds called tics. TS is more common in males than females. Simple tics are sudden, brief ...

Add Yahoo as a preferred source to see more of our stories on Google. Q: My cousin was diagnosed with dystonia, what is this? A: Dystonia is a disorder of involuntary muscle contractions that may ...

Tourette syndrome campaigner John Davidson has explained he left the British Film and Television Awards (BAFTAs) ceremony early on Monday night, aware his outbursts were causing distress. Davidson was ...

Kristin Weiland is a documentary film producer and writer with a background in crisis management and ethnographic research. She specializes in investigative and social impact documentary projects, and ...

Chorea and hemiballismus are both forms of involuntary movement disorders. Hemiballismus can cause sudden, violent, and flinging motions. Chorea can cause irregular, spontaneous, and nonrepetitive ...

Tardive dyskinesia (TD) is an involuntary neurological movement disorder that is usually a side effect of certain dopamine receptor blocking drugs. It mainly affects the face but can also cause ...

Asterixis is a disorder in which a person loses motor control of some parts of the body. It is commonly called flapping hand tremor because the muscles in the fingers and the wrists are typically ...

Athetosis and chorea are two types of involuntary movements that can occur in children and adults with neurological conditions, such as cerebral palsy. The movements have different features, and the ...

When someone develops a tremor or experiences slowed movements, Parkinson’s disease often comes to mind first. However, several neurological conditions present with remarkably similar symptoms, ...

This informational guide, part of POPSUGAR's Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to ...