New Parkinson’s treatment developed at Stanford could help millions

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 neurological disorder before telling his wife Amy the shocking news.

“I remember sitting in a parking lot and hearing this sad piece by Miles Davis,” he said. “I haven’t been able to listen to it since without feeling what I felt then.”

Twenty-eight years later, as a political science professor emeritus at Stanford...