A new brain operation may reduce the severity of motor problems in people with Parkinson's disease and decrease the amount of medication they need, a new study says.

"Back to the Future" star Michael J. Fox shared his struggles with a spinal cord problem and a fractured arm.

Researchers have developed a new drug that could correct damage to the brain caused by Parkinson's disease and lead to improvement of symptoms, researchers report.

Selma Blair discussed her experience with multiple sclerosis on "Good Morning America" after returning to the red carpet at the Oscars.

Many older people are infusing young people's plasma into their bodies, but the Food and Drug Administration says there is no clinical benefit to the procedure.

The number of people living with Parkinson's disease worldwide could double in the next two decades, experts project.

Bruno Ganz, a Swiss actor known for playing roles ranging from an angel to Hitler, has died, his agent said Saturday.

Nearly 4,400 civil claims resulting from contaminated drinking water at the Camp Lejeune, N.C., military base were denied by the U.S. Navy.

A British dog owner broke a Guinness World Record when he gathered 1,029 beagles and their owners for a mass dog walk.

A common gut bacteria can block a common Parkinson's disease medicine from working on patients with the disease, a new study says.

Will Poulter is taking a break from Twitter following online abuse over "Black Mirror: Bandersnatch."

Some who receive botulinum toxin injections for disorders that cause muscle tightness and contractions develop resistance to the treatment, researchers say.

A new test could bring scientists one step closer to pinpointing the protein associated with Alzheimer's disease and a degenerative neurological disorder found in some NFL players.

Two compounds found in coffee could fight Parkinson's disease and Lewy body dementia, a study says.

George H.W. Bush's service dog, Sully, will assist with physical therapy for injured veterans at Walter Reed in Bethesda, Md.