"I had some extreme situations where the last couple of jobs I did were actually really word-heavy parts. I struggled during both of them," the actor revealed.
"This represents a milestone in 'personalized medicine' for Parkinson's," said Kwang-Soo Kim, director of the Molecular Neurobiology Laboratory at McLean Hospital.
If people don't follow their prescriptions they are less likely to benefit from drugs, which could lead to complications and higher costs later on, one of the authors of the study explained.
Large scale study adds to evidence that the gut plays a role in the development of Parkinson's.
Researchers tried to discover why people with no family history of dementia developed the disease.
The drugs used to treat ADHD increase the risk even more.
The man credited with the philharmonic's revival dies of Parkinson's-related complications.
Artificial skin you can feel, and hopeful signs about reversing Parkinson's.
Brain cells with an age signature could help doctors understand Alzheimer's and Parkinson's diseases.