Caffeine and urate have been associated with a reduced risk of idiopathic Parkinson's disease. Researchers noted a lower caffeine intake in idiopathic Parkinson's patients. Increasing caffeine consumption was linked to decreased odds of being diagnosed with Parkinson's. Lower levels of blood urate were also associated with an increased risk of Parkinson's disease.
Consuming a flavonoid-rich diet could help combat the development and progression of Alzheimer's disease for those with risk factors. Low intake of specific flavonoids, especially anthocyanins, which are found in blueberries and strawberries, was associated with a four-fold risk of developing Alzheimer's.