Understanding Parkinson’s Disease
Medical Review: Dr. Gerald Mastaw, MD – Board-Certified PhysicianLast Updated: October 2025 What Is Parkinson’s Disease? Parkinson’s disease is a progressive neurodegenerative disorder that affects movement, balance, and coordination.It occurs when the brain’s dopamine-producing neurons, located in an area called the substantia nigra, break down over time. Dopamine acts as a chemical messenger that allows…