Prader-Willi Syndrome Causes, Symptoms and its Treatment & Prevention.

Prader-Willi Alliance of New York -
 Represents the interests of individuals in New York State with Prader-Willi syndrome, their families, and the professionals who provide services to the Prader-Willi population.
http://www.prader-willi.org

Prader-Willi Syndrome - Suite101 -
A forum to provide a support base for PWS without having to join one of the national or international associations, and to make people more aware of PWS.
http://www.suite101.com/welcome.cfm/prader_willi_syndrome

Prader-Willi Syndrome Association of Victoria (Australia) -
Includes details about the organization, a diagnosis/infant guide, a general guide, members stories and links.
http://www.pws.asn.au

Prader-Willi Syndrome Association (USA) -
 Characteristics include hypotonia, insatiable appetite, obesity if food intake is uncontrolled, hypogonadism and incomplete sexual development, developmental delays, variable degrees of mental retardation or functional retardation, short stature (adult), small hands and feet, mild dysmorphology, and behavior problems which can be severe.
http://www.pwsausa.org/

Williams Syndrome and Prader-Willi Syndrome -
Diagnostic assessment, selected treatment services and opportunities to participate in research from the Yale University Child Study Center.
http://info.med.yale.edu/chldstdy/wspws