After a twitching pinky finger led to a diagnosis of young-onset Parkinson's disease, Keith Krehbiel, then 42, stopped at a ...

For decades, Keith Krehbiel took high doses of medications with a debilitating side effect—severe nausea—following his diagnosis with early-onset Parkinson’s disease at age 42 in 1997.

After a twitching pinky finger led to a diagnosis of young-onset Parkinson’s disease, Keith Krehbiel, then 42, stopped at a bookstore on the way home to learn more about the progressive ...