Tardive dyskinesia shares features with other movement disorders, such as Tourette syndrome and drug-induced Parkinsonism. But a diagnostic evaluation can reveal which condition is causing the ...

Adult-onset spinal muscular atrophy (SMA) is a rare neuromuscular disorder that primarily affects the motor neurons in the spinal cord, leading to muscle weakness and atrophy. SMA is part of a group ...

A loss of the sense of smell or acting out one’s dreams can occur years in advance.

Spinal muscular atrophy is a genetically inherited disorder that causes muscle weakness. Adults can get spinal muscular atrophy, but it’s rare in adults and progresses slowly. It doesn’t typically ...

Late-onset depression and anxiety are now considered risk factors for neurodegenerative diseases such as Alzheimer’s and Parkinson’s. It is also believed that the insidious emergence of a neurological ...

DEAR ERIC: I am a young adult with a movement disorder similar to Parkinson’s. It causes uncontrollable, violent, jerky, muscle movements, called dyskinesias, in nearly every part of my body. These ...