Former teen-heartthrob Michael J. Fox has been fighting a personal battle for many years now. In 1991 the actor was diagnosed with Parkinson’s disease, a disorder which generally affects older people, at the age of 29. Parkinson’s is a terribly debilitating condition that affects the nervous system and can lead to dementia. What’s more, there is no cure for this cruel disease. Nevertheless, in the years after he went public with his diagnosis in 1998, Fox has become a tremendous advocate for fellow sufferers of Parkinson’s. And in 2017 he gave a revealing interview to CBS about everything he has been through so far.