When Paul R. Sanberg became a neuroscientist, he focused on Huntington's disease. When he realized that Parkinson's disease was related, he expanded his horizons. And when his father suffered a stroke about five years ago, he shifted his priorities. Some of the things he has learned since may help treat all three diseases, as well as a number of other neurodegenerative disorders.

Following his father's stroke, Sanberg recalls months of trips between Tampa, where he worked as a researcher for the University of South Florida College of Medicine, and a medical center in Houston, where his father was being treated. "While I was there I just read what I could on what novel treatments were out there," Sanberg recalls. "Watching him being treated, I thought perhaps I should be focusing more on stroke in my own field. There wasn't anything really novel that they could give him, unfortunately."

Prior to...

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