Legendary boxer Mohammed Ali had taken on some of the most accomplished fighters of his time. But it was off the ring that he met his toughest opponent -- Parkinson s disease. The world watched the disease reduce the fighter into a shadow of his former self. Ali is just one among the many famous people who lost the battle to the deadly disease. Millions of people suffering from Parkinson s disease struggle to carry out their daily activities due to the tremors and stiffness of the limbs. Who is at risk? More men than women Men have a 50