Mirapex, which is a popular drug used to treat the disease, has been linked to a number of serious side effects, including compulsive gambling.
READ MORE MIRAPEX COMPULSIVE GAMBLING LEGAL NEWS
Despite the diagnosis of Parkinson's, the 56-year-old Horne prefers to remain optimistic.
"My sister-in-law has multiple sclerosis," Horne told the news source. "She's in tougher shape than I am. I've had several members of my high school class pass away. Three good friends have had cancer and I have a niece who has cancer right now. Looking at all that, I'm lucky."
Horne added that one of the reasons he wanted to come forward about his disease was to give his support to anyone struggling from the symptoms of the illness, according to the news provider.