Medically reviewed by: Rupal Christine Gupta, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab A nosebleed happens when tiny ...

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 When a couple has ...

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: Lauren M. O'Donnell, PsyDThis link opens in a new tab Learn About Behavioral Health (Psychology and Psychiatry) at Nemours Children's HealthThis link opens in a new tab Whatever ...

How much do you know about the urinary system, which makes pee? Find out by taking this quiz!

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, ...

Medically reviewed by: T. Ernesto Figueroa, MDThis link opens in a new tab Learn About Urology at Nemours Children's HealthThis link opens in a new tab Testicular self-exams (TSE) can help you check ...

Medically reviewed by: T. Ernesto Figueroa, MDThis link opens in a new tab Learn About Urology at Nemours Children's HealthThis link opens in a new tab Testicular torsion is an emergency condition. It ...

Polio vaccines protect against polio, an infection caused by a virus that can lead to permanent paralysis (being unable to move) and sometimes death. Polio used to be common, but thanks to polio ...

Girls have lots of questions about the body changes of puberty, especially about breasts and first periods. Watch this video to get some answers!

Puberty causes all kinds of changes in your body. Your skin and scalp may suddenly get oily very easily. Every day it seems you have new hair growing in different places. At times, you seem to sweat ...

Medically reviewed by: Maureen F. Edelson, MDThis link opens in a new tab Learn About Pathology (Lab Services) at Nemours Children's HealthThis link opens in a new tab Blood can't be artificially made ...