Infant health
Learning Center
Enlarged breasts in men (gynecomastia)
Learn how an imbalance of the hormones estrogen and testosterone can cause breast tissue swelling in boys or men.
Premature ejaculation
Understand what may cause ejaculation to happen earlier than wanted during sex. Also learn how to treat and prevent it.
Sleepwalking
People who get up and walk around while sleeping may not need treatment. But if it happens often, it could be a sleep disorder that needs treatment.
Auditory processing disorder (APD)
This type of hearing loss involves the brain. Learn about ways that can help people with the condition hear better.
Autism spectrum disorder
Autism spectrum disorder is a serious condition related to brain development that impairs the ability to communicate and interact with others.
Prostate cancer
Learn about detection, diagnostic approaches, treatment options and advances for prostate cancer, including robotic prostatectomy and current research.
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.
Klinefelter syndrome
This genetic disorder occurs when a male is born with an extra copy of the X chromosome and may result in low testosterone production and infertility.
Scorpion sting
Scorpion stings are painful but rarely life-threatening. Young children and older adults are most at risk of serious complications.
Scrotal masses
Lumps in the scrotum have various causes. Even painless lumps should be checked promptly by a health care professional.
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