Parkinson
Parkinson disease (PD) is an age-related deterioration of certain nerve systems, which affects your movement, balance, and muscle control.
Parkinson disease is one of the most common movement disorders, affecting 1% of people older than 60 years. PD is about 1.5 times more common in men than in women, and it becomes more common as you age.
The average age of onset is about 60 years. Onset before age 40 years is relatively uncommon, but the recent diagnosis of actor Michael J. Fox shows ... more
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