Parkinson's disease is a progressive neurodegenerative disorder that affects movement. It occurs when dopamine-producing neurons in a region of the midbrain called the substantia nigra progressively die. The substantia nigra and dopamine play a crucial role in coordinating muscle movement. As the dopamine-producing cells die, less dopamine is available in areas of the brain that contr... https://timessquarereporter.com/others/levodopa--the-gold-standard-treatment-for-parkinson-s-disease