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 ...

Medically reviewed by: Anthony W. Gannon, MDThis link will open in a new window Learn About Endocrinology (Hormones & Growth) at Nemours Children's HealthThis link will open in a new window The ...

Medically reviewed by: Rupal Christine Gupta, MDThis link will open in a new window Learn About Urology at Nemours Children's HealthThis link will open in a new window A bacterial urinary tract ...

Medically reviewed by: KidsHealth Medical ExpertsThis link will open in a new window Learn About Primary Care Pediatrics at Nemours Children's HealthThis link will open in a new window Canker sores ...

Medically reviewed by: J. Fernando del Rosario, MDThis link will open in a new window Learn About Gastroenterology (Digestive System Care) at Nemours Children's HealthThis link will open in a new ...

Medically reviewed by: Corinna L. Schultz, MDThis link will open in a new window Learn About Cancer & Blood Disorders Care at Nemours Children's HealthThis link will open in a new window Beta ...

You might go to the hospital if you fall off your bike and break your arm or if you have asthma and have trouble breathing. You might go to the hospital if you become dehydrated and need IV fluids or ...

Medically reviewed by: Judith A. Jones, MDThis link will open in a new window Learn About Anesthesiology at Nemours Children's HealthThis link will open in a new window Anesthesia is a type of ...

What Is Iron-Deficiency Anemia? Iron-deficiency anemia is anemia that happens when there isn't enough iron in the body. Someone with anemia has a lower number of red blood cells (RBCs) than usual.

Medically reviewed by: Tal Grunwald, MDThis link will open in a new window Learn About Endocrinology (Hormones & Growth) at Nemours Children's HealthThis link will open in a new window The thyroid is ...

Medically reviewed by: William J. Parkes, IV, MDThis link will open in a new window Learn About Otolaryngology (Ear, Nose, & Throat Care) at Nemours Children's HealthThis link will open in a new ...

Parents often associate sexual development with the teen years. But kids develop an emotional and physical foundation for sexuality in many subtle ways from infancy. Physical and emotional changes ...