When you buy through links on our articles, Future and its syndication partners may earn a commission. In patients with Lesch-Nyhan syndrome, the HPRT1 enzyme doesn't work properly due to mutations in ...

Cerebral palsy can cause muscle spasms and many other hypertonic symptoms. The symptoms can be treated in a variety of ways, often starting with physical therapy. Cerebral palsy (CP) is a group of ...

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.

University of Arizona researchers have revealed new insights into the neurobiological cause of the involuntary, uncontrollable movement disorders that develop in patients with Parkinson’s disease (PD) ...