More than 1 serving of low-fat but not high-fat dairy per day linked to a 40% higher risk of developing Parkinson's.
“The 77,864 people who consumed less than one serving of low-fat dairy per day only 0.6% developed Parkinson's disease. While this is an interesting observation (particularly since the finding was limited to low-fat dairy and not high fat), there is still much more to explore.”