“He said, ‘Just yesterday I rode my bicycle for 10 kilometers’ — six miles,” Dr. Bloem said. “He said he rides his bicycle for miles and
miles every day.”

“I said, ‘This cannot be,’ ” Dr. Bloem, a professor of neurology and medical director of the hospital’s Parkinson’s Center, recalled in a
telephone interview. “This man has end-stage Parkinson’s disease. He is
unable to walk.”

http://www.nytimes.com/2010/04/01/health/01parkinsons.html?src=me&a...