Parkinson’s disease: Causes and affects

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

Following news of Muhammad Ali's death on Friday, following some 30 years battling Parkinson's disease, many have questions about what can cause it, as well as what the affects are.

For more information visit the Mayo Clinic's website. 

 

Notice: you are using an outdated browser. Microsoft does not recommend using IE as your default browser. Some features on this website, like video and images, might not work properly. For the best experience, please upgrade your browser.