G6PD deficiency is a genetic disorder that most often affects males. It happens when the body doesn't have enough of an enzyme called glucose-6-phosphate dehydrogenase (G6PD). G6PD helps red blood ...

Medically reviewed by: KidsHealth Medical ExpertsThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab We see and hear about hearts ...

Medically reviewed by: KidsHealth Medical ExpertsThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab The urinary tract is one of ...

Medically reviewed by: Larissa Hirsch, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab The male reproductive system is made ...

Medically reviewed by: Melanie L. Pitone, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab ...

Medically reviewed by: Patrick C. Barth, MDThis link opens in a new tab Learn About Otolaryngology (Ear, Nose, & Throat Care) at Nemours Children's HealthThis link opens in a new tab A perforated ...

Medically reviewed by: Larissa Hirsch, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab When we breathe, the respiratory ...

Medically reviewed by: Larissa Hirsch, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab Help kids avoid anything they're ...

Medically reviewed by: Melanie L. Pitone, MDThis link opens in a new tab Learn About Allergy & Immunology Care at Nemours Children's HealthThis link opens in a new tab An allergy (say: AL-ur-jee) is ...

Medically reviewed by: Amy W. Anzilotti, MDThis link opens in a new tab Learn About Adolescent Medicine & Pediatric Gynecology at Nemours Children's HealthThis link opens in a new tab A wet dream — ...

Medically reviewed by: Leah J. Orchinik, PhDThis link opens in a new tab Learn About Behavioral Health (Psychology and Psychiatry) at Nemours Children's HealthThis link opens in a new tab Most of us ...

What Is the Digestive System? Food is our fuel, and its nutrients give our bodies' cells the energy and substances they need to work. But before food can do that, it must be digested into small pieces ...