Spotlight on Parkinson's Disease: What's New in PD Treatment - This program, featuring Marie Saint-Hilaire, MD, FRCPC, and Cathi Thomas, MS, RN, CNRN, was designed to help people better understand the latest information about the treatment of Parkinson’s disease (PD). This program is designed to help people with PD, family members, care partners, and all people impacted by PD.