• The American Parkinson's Disease Association Inc The APDA provides details on their Information & Referral Centers and Services Locations. Information about the Young Parkinson's Center, chapter locations, support groups, publications, videos, and the allocation of Research Grants.

• The Center for Neurologic Study CNS is a non profit foundation in La Jolla, California, dedicated to research and treatment of neurological diseases. Parkinson's disease information is in the archives.

• The Parkinson's Institute An independent not-for-profit institution dedicated to seeking the cause and finding a cure for Parkinson's disease, while providing the best possible care for people with this disease and other movement disorders.

• Young Onset Parkinson's Association YOPA is comprised of Young Onset Parkinson's patients from around the United States. Our mission is to raise public awareness and to offer support to those living with young onset Parkinson's disease. We coordinate with regional and national Parkinson's organizations in fundraising efforts for research funds.