In a study of 87 Parkinson's patients between 2008 and 2012, the degree of neuroinflammation was significantly associated with more severe depression, fatigue and cognitive impairment even after taking into consideration other factors, such as age, gender and disease duration. Researchers believe that inflammation could act as a biomarker for the disease and that reversing inflammation in the fluid surrounding the brain's cortex could help alleviate some symptoms of Parkinson's. Release