Teen health
Learning Center
Auditory processing disorder (APD)
This type of hearing loss involves the brain. Learn about ways that can help people with the condition hear better.
Peritonitis
Learn about the causes, symptoms and treatment of peritonitis.
Retractile testicle
Find out about this condition that allows the testicle to move between the scrotum and groin.
Stage 4 prostate cancer
Find out about diagnosis and treatment of this cancer that has spread to the lymph nodes or other parts of the body.
Enlarged breasts in men (gynecomastia)
Learn how an imbalance of the hormones estrogen and testosterone can cause breast tissue swelling in boys or men.
Pneumonia
Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.
Chronic pelvic pain
Ongoing pain in the pelvis can be a symptom of another disease or a condition in its own right. Learn how it's diagnosed and treated.
Prostatitis
Learn about tests and treatments for disorders of the prostate gland that cause pain, difficult or painful urination, and other symptoms.
Broken arm
Treatment depends on the site and severity of the injury. Simple breaks might be treated with a sling and ice. Complicated fractures may require surgery.
Polyhydramnios
Learn about the symptoms, causes and treatment for this condition, in which too much amniotic fluid builds up during pregnancy.
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