Nutrition basics
Learning Center
Prostate brachytherapy
Learn about this type of radiation therapy for prostate cancer that involves placing radioactive seeds or wires in the prostate gland.
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.
Priapism
Understand the symptoms, possible causes and treatment of prolonged erection of the penis, including when to seek emergency care.
Premature ejaculation
Understand what may cause ejaculation to happen earlier than wanted during sex. Also learn how to treat and prevent it.
Premature birth
Here's what you need to know about caring for a premature baby and the possible health problems of a preterm birth.
Post-vasectomy pain syndrome
Learn about post-vasectomy pain syndrome (PVPS) — How it happens after a vasectomy, tests to diagnose it and treatment options.
Positron emission tomography scan
Learn how this imaging scan can play an important role in early detection of health problems, such as cancer, heart disease and brain disorders.
Pomegranate juice: A cure for prostate cancer?
Early research suggested that pomegranate juice could slow the growth of prostate cancer, but more-rigorous trials failed to confirm those results.
Polysomnography (sleep study)
Your health care provider may order this test if a sleep disorder such as sleep apnea is suspected. Learn how to prepare and what to expect.
Phenylalanine in diet soda: Is it harmful?
You may be worried about phenylalanine because of a warning on diet soda. Find out why the warning is there.
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