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Prader-Willi Syndrome (PWS) is a rare genetic disorder. It causes poor muscle tone, low levels of sex hormones and a constant feeling of hunger. The part of the brain that controls feelings of fullness or hunger does not work properly in people with PWS. They overeat, leading to obesity.

Babies with PWS are usually floppy, with poor muscle tone, and have trouble sucking. Boys may have undescended testicles. Later, other signs appear. These include

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Illustration of chromosomes and DNA
Results 1 - 10 of 31 for "Prader-Willi" syndrome
  1. Prader-Willi Syndrome (National Library of Medicine)  
    Prader-Willi Syndrome (PWS) is a rare genetic disorder. It causes poor muscle tone, low levels of sex hormones ...
  2. Genetics Home Reference: Prader-Willi syndrome From the National Institutes of Health (National Library of Medicine)  
    ... PubMed Recent literature OMIM Genetic disorder catalog Conditions > Prader-Willi syndrome On this page: Description Genetic changes Inheritance Diagnosis ...
  3. How Do Health Care Providers Diagnose Prader-Willi Syndrome? From the National Institutes of Health (National Institute of Child Health and Human Development)  
    ... and Publications How do health care providers diagnose Prader-Willi syndrome (PWS)? Skip sharing on social media links Share ... of Prader-Willi syndrome. Major Clinical Criteria of Prader-Willi Syndrome Extremely weak muscles in the body's torso Difficulty ...
  4. Prader-Willi Syndrome Association (Prader-Willi Syndrome Association)  
    ... awareness to families across the globe. Learn More Prader-Willi Syndrome Understanding PWS allows you to understand needs & provide ... never did see it) More Stories What is Prader-Willi Syndrome? Complex genetic disorder of the 15th chromosome; the ...
  5. What Are the Treatments for Prader-Willi Syndrome? From the National Institutes of Health (National Institute of Child Health and Human Development)  
    ... Resources and Publications What are the treatments for Prader-Willi syndrome (PWS)? Skip sharing on social media links Share ... of the most common symptoms of newborns with Prader-Willi syndrome. Special nipples or tubes are used for several ...
  6. Genes and Disease: Prader-Willi Syndrome From the National Institutes of Health (National Center for Biotechnology Information)  
    ... Information (US); 1998-. Contents Search term < Prev Next > Prader-Willi syndrome Prader-Willi syndrome (PWS) is an uncommon genetic disorder characterized by ...
  7. What Are the Symptoms of Prader-Willi Syndrome? From the National Institutes of Health (National Institute of Child Health and Human Development)  
    ... Resources and Publications What are the symptoms of Prader-Willi syndrome (PWS)? Skip sharing on social media links Share ... 2011). Clinical report-health supervision for children with Prader-Willi syndrome. Pediatrics, 127, 195-204. [top] Gunay-Aygun, M., ...
  8. Prader-Willi syndrome is a congenital (present from birth) disease. It affects many parts of the body. People with ... Prader-Willi syndrome is caused by a gene missing on part of chromosome 15. Normally, your parents each pass ...
  9. Prader-Willi Syndrome: Frequently Asked Questions (Prader-Willi Syndrome Association)  
    ... restriction. Does early diagnosis help? Early diagnosis of Prader-Willi syndrome gives parents time to learn about and prepare ... I get more information on PWS? Contact the Prader-Willi Syndrome Association (USA) at 1-800-926-4797 or ...
  10. ClinicalTrials.gov: Prader-Willi Syndrome From the National Institutes of Health (National Institutes of Health)  
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