Rare genetic condition leaves them constantly hungry, no matter how much they eat

Rare genetic condition leaves them constantly hungry, no matter how much they eat

Asia One·2025-01-26 15:02

SINGAPORE - Growing teens have voracious appetites, but Teo Zi Yee, 17, and David Lucas Soo, 13, feel starved constantly and cannot be left unattended with food.

They have Prader-Willi syndrome (PWS) - a rare neurodevelopmental and genetic condition where the "switch" in the brain that signals fullness never gets flipped on. PWS occurs when part of the genetic material inherited from the father is missing or does not function.

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Singapore Child Health