SAN FRANCISCO (CBS SF) — Solving one of the most puzzling problems of Parkinson’s disease could come down to a device that looks very much like a smart watch.

It’s an easy-to-use gadget that holds a complicated algorithm.

In 2004, Diane Pelosi Harrington was raising her kids and running a non-profit when a neurologist confirmed she had Parkinson’s Disease. At only 52, she had to start taking medication.

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