Dr. Thomas Graboys is a physician battling a particularly aggressive form of Parkinson’s disease and progressive dementia. His new memoir about dealing with his illness is Life in the Balance: A Physician's Memoir of Life, Love, and Loss with Parkinson's Disease and Dementia.

Weigh in: We'd like to hear from other people with Parkinson's. Tell us about your experiences with the disease, and whether you've been able to continue to live a relatively normal life.