Teen health
Learning Center
Bronchiolitis
Infection in the small airways of the lungs is common in young kids and babies. Symptoms may include coughing, wheezing and trouble breathing.
Enlarged breasts in men (gynecomastia)
Learn how an imbalance of the hormones estrogen and testosterone can cause breast tissue swelling in boys or men.
Undescended testicle
Learn about causes, complications and treatment of this condition in which one or both testicles aren't in the usual place within the scrotum.
Double uterus
Learn about symptoms, diagnosis and treatment of this uncommon condition of the uterus. It is present at birth.
Breast cancer
Learn about this common cancer, including information on prevention, symptoms, diagnosis and treatment.
MCAD deficiency
This inherited genetic disorder prevents the breakdown of certain fats needed for energy, leading to dangerously low blood sugar levels if not treated.
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.
Craniosynostosis
This condition results in premature fusing of one or more of the joints between the bone plates of an infant's skull before the brain is fully formed.
Endometriosis
Learn about endometriosis, including possible treatments for this condition that can cause pain and sometimes infertility.
Perimenopause
Discover effective treatments and learn self-care strategies for hot flashes, night sweats, vaginal dryness and other perimenopause symptoms.
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