Similarly, Noonan syndrome, a relatively common genetic disorder, is marked by abnormal development in various systems of the body that causes unusual facial characteristics, short stature, and cardiac abnormalities. Prader-Willi syndrome is characterized by poor muscle tone, low levels of sex hormones, and a defect in the part of the brain that controls feelings of satiety or hunger, which leads to overeating and obesity.
De même, le syndrome de Noonan, maladie génétique relativement commune, se caractérise par un développement anormal de différentes fonctions du corps qui est la cause de caractéristiques faciales inhabituelles, d’une petite taille, et d’anomalies cardiaques.