A New York Times article about cycling and Parkinson’s disease by Gina Kolata
Dr. Bastiaan R. Bloem of the Radboud University Nijmegen Medical Center in the Netherlands thought he had seen it all in his years of caring for patients with Parkinson’s disease. But the 58-year-old man who came to see him recently was a total surprise.
…he is not advocating that Parkinson’s patients hop on bikes and go out on busy roads. They need help in mounting a bike and can get into trouble if they have to stop at traffic lights. They need to ride in safe areas. He recommends that patients ride tricycles, or use stationary bikes…”—Dr. Bastiaan R. Bloem