Ryan Reynolds praised Michael J. Fox in a Time "Most Influential People" tribute for helping Reynolds' father during his 20-year battle with Parkinson's before his death in 2015.
After 17 years of serving his country, Mark Kelm of Minnesota is now providing a different type of service: advocating for others who, like him, have Parkinsonβs disease. Kelm shared his story.
As rock legend Ozzy Osbourne has turned to stem cell therapy, some experts caution that the treatment is not for everyone. A doctor weighed in on the potential risks.