Skin care
Learning Center
Penis health: Identify and prevent problems
Understand the factors that affect penis health and how to identify problems.
Penis pump
Find out how this device can be placed on your penis to create an erection.
Penis-enlargement products: Do they work?
Considering penis enlargement? Get the facts about male-enhancement pills, pumps, exercises and surgeries.
Peritonitis
Learn about the causes, symptoms and treatment of peritonitis.
Peyronie disease
Understand what causes bent and painful erections and learn what treatments are available.
Phantosmia: What causes olfactory hallucinations?
Phantosmia is often due to a head injury or upper respiratory infection.
Piercings: How to prevent complications
Piercings are popular, but the risks are real. Know how to prevent an infection.
Plugged ears: What is the remedy?
Plugged ears are usually a mild, temporary problem. Learn about potential causes and treatments.
Pneumonia
Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.
Poison ivy and other summer skin irritants
Take a look at these bumps, bites and rashes. Find out what causes them and how they can be treated.
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