What is Prader-Willi Syndrome?

Prader-Willi syndrome is a genetic disorder that affects the brain and hypothalamus. This can cause problems with growth and development. Babies with this condition are often very small and may have low muscle tone. This can make feeding difficult and may result in problems gaining weight. Children with the syndrome are often much shorter for their age and possibly won’t go through a full puberty into adulthood.

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