Men's sexual health
Learning Center
Brain AVM (arteriovenous malformation)
Tangled blood vessels in the brain affect typical blood flow in this rare condition. Learn more.
Penis-enlargement products: Do they work?
Considering penis enlargement? Get the facts about male-enhancement pills, pumps, exercises and surgeries.
Narcolepsy
Learn more about this sleep disorder that causes periods of involuntary sleep, sleep paralysis and early rapid eye movement (REM) sleep.
Trichotillomania (hair-pulling disorder)
In this mental health condition, people can't resist urges to pull out hair from their body. They do this often. Therapy may help reduce or stop urges.
Loss of sex drive in men: Natural with aging?
Age-related loss of sex drive is normal, but sometimes an underlying condition is at play.
Penis fracture: Is it possible?
Know the signs and symptoms of a penis fracture.
Testosterone therapy: Potential benefits and risks as you age
Testosterone therapy — Explore the potential benefits and risks of increasing your testosterone level.
Keratoconus
When your cornea bulges outward, it can cause blurry vision and make your eyes sensitive to light. Find out about symptoms, causes and treatment for this eye condition.
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