A national nonprofit dedicated to Parkinson's disease research, education and advocacy. PDF is working for the nearly one million people in the US who live with Parkinsons disease by funding promising research to find the causes of and a cure for Parkinson's while supporting people with Parkinsons disease, their families and caregivers through educational programs and support s in health_medicine > Diseaseswith diseasesfoundationhealth_medicineincparkinsonspdf