Parkinson’s disease is an age-related degenerative brain condition, meaning it causes parts of your brain to deteriorate. It’s best known for causing slowed movements, tremors, balance problems and more. Most cases happen for unknown reasons, but some are inherited. The condition isn’t curable, but there are many different treatment options. What is Parkinson’s disease? Parkinson’s disease is a progressive neurological disorder. The first signs are problems with movement. Smooth and coordinated bodily muscle movements are made possible by dopamine, a substance in the brain. Dopamine is produced in a part of the brain called the “substantia nigra.” In Parkinson’s, the cells of the substantia nigra start to die. When this happens, dopamine levels are reduced. When they have dropped 60 to 80 percent, symptoms of Parkinson’s start to appear. What Does Parkinson's Do to the Brain? Deep down in your brain, there's an area called the substantia nigra, which is in the basal ganglia. So