American Parkinson Disease Association (APDA)

http://www.apdaparkinson.org
APDA provides education, support, information, and referrals to people with Parkinson’s disease, their family members, friends, and healthcare providers, while at the same time raising money for scientific research. APDA is known as the largest grassroots PD organization and has a network of centers, chapters, and support groups throughout the country. APDA also operates two Centers dedicated to serving special populations: Veterans and those with young onset Parkinson’s disease.