Prader-Willi syndrome (PWS) is characterised by acute hypotonia and feeding problems in the neonatal period, and triggers an uncontrollable appetite in the infant that leads to obesity.

• 普拉德-威利综合症（PWS）在新生儿期有严重的低肌张力和喂养问题，随后在婴儿期却有不能控制的食欲从而导致肥胖。