Guest Okeanis Vaou, MD, talks with Mary about many of the nonmotor symptoms of Parkinson's Disease, symptoms that don't get as much attention from the media as the more purely physical symptoms. Dr. Vaou is a neurologist and Movement and Sleep Disorders Specialist at the Noran Neuruological Clinic in Minneapolis, MN. Vaou is also the Medical Director of the American Parkinson's Disease Association in Minnesota.