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 ...

Utilizar un condón al mantener relaciones sexuales puede ayudar a prevenir las enfermedades de transmisión sexual (ETS) y el embarazo. Pero utilizar dos preservativos a la vez no te proporcionará ...

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 Cold sores are small painful blisters ...

Medically reviewed by: Joy Friedman, MDThis link opens in a new tab Learn About Adolescent Medicine & Pediatric Gynecology at Nemours Children's HealthThis link opens in a new tab HIV (human ...

Medically reviewed by: Joseph H. Piatt Jr., MDThis link opens in a new tab Learn About Neurosurgery Care at Nemours Children's HealthThis link opens in a new tab A ventriculoperitoneal (VP) shunt is a ...

Hearing loss makes it hard to hear or understand sounds. This happens when there is a problem with one or more parts of the ear, the nerves coming from the ears, or the hearing part of the brain. Some ...

Medically reviewed by: Gabriel Araujo, 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 Self-esteem ...

Medically reviewed by: Yamini Durani, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab Even with these precautions in place, ...

Learn About Cardiology (Heart Care) at Nemours Children's HealthThis link opens in a new tab An atrial septal defect (ASD) — sometimes called a hole in the heart — is a type of congenital heart defect ...

Your body has a "highway" system that sends blood to and from your body parts. It's called the circulatory system and the roads are called arteries and veins. Arteries, which usually look red, carry ...

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 Every single person has a ...

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 ...