Teen health
Learning Center
Congenital mitral valve anomalies
These heart problems at birth cause the mitral valve to leak or become narrowed. Know the symptoms and treatment.
Eisenmenger syndrome
This complication of an unrepaired congenital heart defect needs close monitoring. Learn how treatment can help manage symptoms and improve quality of life.
Clubfoot
This term describes a range of congenital foot abnormalities in which the foot is twisted out of shape or position, keeping it from moving up and down.
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.
Heart valve disease
Learn about this condition in which one or more of the heart valves doesn't work properly.
Chiari malformation
Learn about this brain condition in which brain tissue extends into the spinal canal.
Iron deficiency in children: Prevention tips for parents
Learn how much of this key mineral your child needs and what the health risks of not getting enough are.
Metachromatic leukodystrophy
This rare genetic disorder causes fatty substances (sulfatides) to build up in your brain and nervous system, causing progressive loss of nerve function.
Epilepsy
Learn about this condition that causes seizures. Find out which symptoms are associated with different types of seizures and how they're treated.
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