The well-known actor Michael J. Fox was diagnosed with Parkinson’s disease at the age of 29. At the time, he was one of the most famous celebrities in show business. He gradually developed symptoms such as tremors, stiffness in the limbs and difficulty speaking, and later became a great advocate for awareness and research of this disease. Parkinson’s disease is better treated if detected early, and there is a way to self-test and prevent it. Read more.