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 ...

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 (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 ...

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 ...

‌Chorea is a movement disorder that stems from something wrong with the basal ganglia nerve structure deep in your brain. It causes involuntary movements of the hands, feet, and face. These movements ...

Neuromuscular disorders affect nerves that control voluntary muscles, including those in your arms, legs, and face. Nerve damage can lead to muscle weakness and loss of control. Examples of ...

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 ...

Spasticity is a symptom or complication of many different neurological disorders in which normal muscle movement patterns are disrupted, and muscles contract, or tighten, involuntarily. In a healthy ...

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, ...