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

Parkinson's disease does more than cause tremors and trouble walking. It can also affect sleep, smell, digestion and even thinking. NPR's Jon Hamilton reports on new research suggesting that's because ...

An early symptom of Parkinson’s is sleep dysfunction, according to the Journal of Clinical Sleep Medicine. Instead of ...

Parkinson's disease is degenerative neurological disorder that primarily affects movement due to damage to dopamine-producing nerve cells ...

Scientists have found a key brain network that’s disrupted by Parkinson’s disease, according to a study published today in ...

More than 1 million Americans live with the neurodegenerative brain disorder – and that number is expected to climb ...

A new study suggests Parkinson’s may stem from disruptions in a little-known brain network, reshaping how doctors think about ...

Add Yahoo as a preferred source to see more of our stories on Google. While celebrities like Michael J. Fox and Brett Favre have been open about their struggles with Parkinson’s disease, it can ...

The NHS has noted that this symptom "sometimes occurs several years before other symptoms develop", including those affecting ...

Parkinson's disease, a progressive neurological disorder affecting more than 1 million people in the U.S. and more than 10 ...

Swedish researchers discover a blood test that can detect Parkinson's disease up to 20 years before symptoms appear, offering ...

A newly identified brain network may be the real driver of Parkinson’s—and precisely targeting it just delivered a major boost in symptom relief.