Prader–Willi syndrome
Prader–Willi syndrome (PWS) is a rare genetic disorder caused by a loss of function of specific genes on chromosome 15. In babies, symptoms include weak muscles, poor feeding, and slow development.
From Wikipedia
Prader–Willi syndrome (PWS) is a rare genetic disorder caused by a loss of function of specific genes on chromosome 15. In babies, symptoms include weak muscles, poor feeding, and slow development.