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

An “extraordinary” brain network discovery shows that Parkinson’s disease may not be a movement disorder after all ...

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

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

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

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

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

Scientists in Sweden and Norway have uncovered a promising way to spot Parkinson’s disease years—possibly decades—before its most damaging symptoms appear. By detecting subtle biological signals in ...

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 ...

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

Answers to some of the more common questions about this disease. — -- Iconic American civil rights activist, politician and minister Jesse Jackson announced Friday that his doctors have diagnosed ...