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How to Help

From donating blood to food banks and helping the elderly, CNN’s Chief Medical Correspondent Dr. Sanjay Gupta talks to people making a difference and talks you through some of the ways you can help those affected by the crisis.

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How is Parkinson’s Disease Diagnosed? And How Is a Care Team Created? Parkinson’s disease can’t be diagnosed through a simple blood test or scan. After a referral from a primary care doctor, it often takes visits to a neurologist or movement disorder specialist before receiving a clinical diagnosis.