Parkinson's disease is a neurological condition that affects the brain and other parts of the nervous system. The gradual loss of nerve cells leads to a suit... Marines and sailors who were exposed to toxic water at Camp Lejeune, N.C., are much more likely to suffer from Parkinson's disease than their counterparts who were stationed elsewhere, according to a study published Monday. How are Alzheimer’sandParkinson’s disease connected, and how does Parkinson’s disease dementia differ from Alzheimer’s? Learn about key similarities and differences between these two neurodegenerative diseases. No Link Found Between Drinking Well Water, Parkinson’s Risk.Parkinson’s disease is characterized by the loss of neurons that communicate with other nerve cells by releasing the signaling molecule dopamine. Parkinson's cases in the U.S. have doubled in the last 30 years and are projected to increase by 15–35% each decade. This is not typical behavior for a hereditary disease. The latest studies show that only 10–15% of cases are fully explained by genetics. The Parkinson's treatment market exceeds $6 billion by 2027, built on patented symptom-managing drugs, while cheap, unpatentable natural interventions like diet, probiotics and detox protocols are ignored because they threaten profits.