(3/16/21) Brain diseases are now the world's leading cause of disability and no cognitive ailment is increasing its reach faster than Parkinson's disease. In the past 25 years, the number of people diagnosed with Parkinson’s has doubled to more than six million. That number is projected to double again by 2040. In their book Ending Parkinson's Disease: A Prescription for Action, Drs. Michael Okun and Ray Dorsey offer a plan to prevent the disease, improve treatment and end the devastating silence associated with it. Join for a look at what can be done in this installment of Leonard Lopate at Large on WBAI.