Teen health
Learning Center
Peripheral nerve tumors
Learn about these growths that form in or near nerves connecting to the spinal cord. Surgery is the most common treatment.
Ehlers-Danlos syndrome
Learn about these complex genetic disorders that cause problems with connective tissue in the skin, joints and blood vessel walls.
Tetralogy of Fallot
These four heart problems present at birth change how blood flows through the body. Know the symptoms and treatment.
Vascular rings
Learn more about this condition in which malformations of the aortic arch encircle the windpipe and esophagus and can press against them.
Atrial septal defect (ASD)
This heart problem that is present at birth causes a hole between the heart's upper chambers. It can be treated.
Farsightedness
Do you see distant objects clearly, but develop a blur as they come close? This vision problem, called farsightedness, is easily corrected with prescription lenses.
Prostate biopsy
Find out about this procedure that's used to diagnose prostate cancer. Learn about the risks, how to prepare and what you can expect.
Active surveillance for prostate cancer
Learn about why doctors may recommend active surveillance for prostate cancer and what to expect.
Prostatectomy
Learn about surgical options and advances in prostatectomy, including robotic surgery, as well as the risks involved with each approach.
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
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