Each year, around 90,000 people in the U.S. are diagnosed with Parkinson’s, a neurodegenerative disease that can cause tremors and affect cognition. Scientists are working to identify some of the earliest signs of the disease, and to figure out how we might test for—and treat—Parkinson’s in the future.Neurologists Emily Tamadonfar and Michael Okun join Host Flora Lichtman to discuss what we know about why Parkinson’s starts and how it may be associated with genetic mutations, pollution, and other factors.Guests:Dr. Emily Tamadonfar is a clinical associate professor of neurology in the Keck School of Medicine of the University of Southern California in Los Angeles.Dr. Michael Okun is a professor and executive director of the Norman Fixel Institute for Neurological Diseases at University of Florida Health in Gainesville, Florida.Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

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