The Parkinson’s Progression Markers Initiative (PPMI) is expanding to enroll up to 100,000 people with and without Parkinson’s disease through an online portal. This expanded PPMI study (NCT04477785) is particularly seeking to enroll people who were diagnosed with Parkinson’s in the past two years and are not yet on treatment, as well as adults age 60 and older who don’t have Parkinson’s but have a risk factor for it — including a close relative with Parkinson’s,…

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