For people with Parkinson’s disease depression is common and disabling. It is also the most overlooked symptom and resulting condition of the disease. Whereas most people with Parkinson’s feel down and sad at one time or another, up to 60% of patients experience clinical depression.
Research suggests that Parkinson’s disease can cause the chemical changes in the brain that result in depression. It affects parts of the brain that help control mood — serotonin (the “happy” chemical) production and the frontal lobe, which is underactive in people with Parkinson’s. Click here to read the rest of the article.