Parkinsons disease

Parkinson's Disease: Parkinson's disease, which is sometimes called Parkinson disease, Parkinson's, or PD, is a movement disorder where the dopamine-producing neurons in the substantia nigra of the brain undergo degeneration. Parkinson's is one of the most common neurological disorders. It's a progressive, adult-onset disease, and it gets more common with age, affecting about 1% of...