Movement disorders and problems Parkinson’s Disease: Causes, Symptoms, and Treatments What is Parkinson’s disease? Learn about causes, symptoms, diagnosis, and treatment of this brain disorder. Stroke Know the symptoms of a stroke and when to call 911 right away. Learn about ischemic and hemorrhagic strokes, TIA, or mini-strokes, and risk factors for stroke. What Is Lewy Body Dementia? Causes, Symptoms, and Treatments What is Lewy body dementia? What are the symptoms? How is it treated? Read about this progressive disease that is one of the most common causes of dementia. Rehabilitation After Stroke Stroke is the top cause of serious adult disability in the U.S. Learn about the causes of stroke and how you can lower your risk. Older Adults and Balance Problems What causes lack of balance? Learn about balance problems and disorders, symptoms — such as dizziness, vertigo, and lightheadedness — and treatment options. Preventing Falls at Home: Room by Room Explore these home safety tips to prevent falls, including simple changes in your living areas, personal and lifestyle changes, and home improvements.