Parkinson's Disease, according to the National Parkinson Foundation, is caused by the deterioration of neurons in the brain. An estimated 10 million people around the world suffer from the condition. Here's a look at more facts about the disease. The foundation says it is expected to increase "substantially" over the next 20 years due to the aging of the population. Eric Lacy / Lansing State Journal
Former Xavier University standout Brian Grant has been helped by Pat Riley, Michael J. Fox, Karl Malone and many others throughout the 10 years since he was diagnosed with Parkinson's.