Oral Medications Parkinson's Disease Supplements & Neuroprotection Parkinson’s Symptoms, Diagnosis & Treatments September 7, 2017 | Leave a Comment Parkinson’s disease (PD) is a neurological disorder that leads to motor symptoms such as shaking and difficulty with movement and coordination. The brain disorder affects an estimated 1 million Americans and 7 to 10 million people worldwide. Approximately 60,000 Americans are diagnosed with PD each year, according to the National Institutes of Health. Learn about Parkinson's symptoms, diagnosis, and treatment options. Read more » Parkinson's treatments parkinson's symptoms Parkinson's signs