Parkinson Disease

Parkinson's Disease (PD) is a progressive neurological disorder that affects the nerve cells in the brain that produce dopamine, a neurotransmitter responsible for sending signals that allow people to control their body movements. It is characterized by four primary symptoms: tremor (shaking), rigidity (stiffness in joints and muscles), bradykinesia (slowness of movement), and postural instability (poor balance). Other symptoms include depression, sleep disturbances, cognitive decline, and speech problems. PD is most common in the elderly, and its cause is not fully understood. However, research suggests that genetics, oxidative stress (increased free radicals produced by cells), and environmental factors, such as toxins and viruses, are three of the main causes of PD. Recent studies suggest that genetic variability may contribute to an individual's susceptibility to PD and that environmental factors interact with these vulnerable individuals to bring about the disorder. In the treatment of PD, medication, lifestyle modifications, and surgery, including deep brain stimulation (DBS), are used. Medications are used to supplement dopamine levels in the brain, while lifestyle modifications involve implementing healthy habits and avoiding known triggers, such as stress and certain foods. DBS is a surgical procedure that involves implanting electrodes into certain regions of the brain in order to alter the brain's electrical activity. Overall, PD is increasing in prevalence throughout the world and is a major cause of disability and death. Studies are revealing new information about its causes, progression, and treatment, but much more research is needed.