"Consuming a lot of fruit and fruit drinks may increase your risk of
Parkinson’s disease, according to researchers in Honolulu.

A link between fruit and vitamin C intake and an increased risk of Parkinson
’s has been suggested by previous studies, however the studies were not
confirmed.

The current study involved more than 8,000 participants who were observed
for 34 years."

http://www.mercola.com/2003/apr/23/fruit.htm