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What factors increase the risk of Parkinson’s disease?

There are environmental factors that are definitely associated with Parkinson's disease (PD). For example, persons who are exposed to pesticides or who have had a concussion or other head injury are at increased risk. There are also genetic factors that are associated with the risk of PD, a variation in a gene called alpha-synuclein, or SNCA. Curiously, persons who smoke are at a reduced risk for PD. However, smoking also has many harmful effects.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.