PWS is a complex genetic disorder that manifests with severe, idiosyncratic symptoms, including insatiable appetite, the health implications of which can be serious. Inattention to the special treatments required by those with PWS can be life-threatening.

This syndrome involving abnormalities of chromosome 15 occurs once in about every 12,000 – 15,000 births, and is found in all races and ethnic groups. Among the other more serious symptoms are mild to moderate mental retardation, emotional and behavioral problems, obsessive compulsive behaviors such as skin picking and slow body metabolism which can lead to obesity and related health problems.

For more information, click to visit these other sites:
National Prader-Willi Syndrome Association (USA)
Prader-Willi Syndrome Association of New England