Parkinson's disease

Measles

Measles infection and Parkinson's disease. 1985, Sasco, Am J Epidemiol

A study of 50,000 graduates of Harvard University and the University of Pennsylvania.The risk of Parkinson's disease was 2 times lower in those who had childhood measles, chickenpox and mumps also reduced the risk of Parkinson.
Similar studies: [1], [2]
A measles vaccine sometimes leads to Parkinson in children.