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Genetic variants associated with Parkinson’s more common than estimated

New research has found that genetic variants associated with Parkinson’s disease (PD) are more common than researchers previously believed. Investigators in the Parkinson’s Foundation-backed PD GENEration study – which reached its goal of 15,000 participants ahead of schedule this spring – found that 13% of participants have a genetic form of PD, which is a significant observation compared to long-standing estimates. Results from the first 3.5 years of the study, which examined a broad North American cohort, were published in the peer-reviewed scientific journal Brain.