Tourette syndrome involves involuntary motor and vocal tics that are widely misunderstood. Learning what the condition looks ...

Tardive dyskinesia (TD) is an involuntary movement disorder caused by long-term dopamine-blocking medications. Prolonged use may create chemical imbalances in brain areas controlling movement.

John Davidson, a man with Tourette Syndrome who was the subject of the film I Swear, involuntarily yelled a racial slur during the BAFTA broadcast, and we're explaining what the condition is ahead ...

Add Yahoo as a preferred source to see more of our stories on Google. When we think of movement disorders, the tremors associated with Parkinson’s disease are probably what first spring to mind.

Chorea-acanthocytosis is a rare genetic disorder of the nervous system. It causes involuntary jerks and twitches in the muscles, known as chorea, and star-shaped red blood cells, known as ...

Dr. Joseph A. Rosenthal (Medicine): A 79-year-old man was admitted to this hospital because of hyponatremia and involuntary movements of the arm and face. The patient had been in his usual state of ...

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 ...