Parkinson’s disease is a degenerative brain condition that affects muscle control, movement and other functions. Learn about the symptoms, causes, diagnosis and treatment options for this common age-related disorder. Parkinson disease, a degenerative neurological disorder that is characterized by the onset of tremor, muscle rigidity, slowness in movement (bradykinesia), and stooped posture (postural instability). The disease was first described in 1817 by British physician James Parkinson in his “Essay on the Shaking Palsy.” Parkinson disease is the primary form of parkinsonism, a group of chronic disorders in which there is progressive loss of motor function due to the degeneration of neurons in the ... Parkinson's disease is due to the loss of brain cells that produce dopamine. Early signs and symptoms of Parkinson's disease include tremors or trembling, slow movement, body rigidity and stiffness, and problems walking. There are five stages of Parkinson's disease. Parkinson’s is a neurological condition which affects the brain’s ability to produce dopamine – the chemical which helps us control movement. It’s a type of progressive condition – meaning symptoms appear gradually and slowly get worse, as the brain becomes increasingly damaged over time. The condition is life-altering, but not life-threatening – while some advanced […]