What is Prader-Willi Syndrome?
Prader-Willi syndrome (PWS) is a genetic disorder that occurs in approximately one in every 12,000 to 15,000 births. The disorder develops in two stages. Infants have muscle weakness, feeding difficulties and poor growth. During childhood, this is replaced by an insatiable appetite, slow metabolism, behavioral problems, and learning difficulties. Severe, life-threatening obesity results if food intake is not strictly controlled.
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