Stress basics
Learning Center
Pituitary tumors
Learn more about the symptoms, causes and treatment of growths that develop in the pituitary gland.
Phosphatidylserine supplements: Can they improve memory?
Phosphatidylserine holds some promise as a potential treatment for Alzheimer's and other memory problems.
Peyronie disease
Understand what causes bent and painful erections and learn what treatments are available.
Penis-enlargement products: Do they work?
Considering penis enlargement? Get the facts about male-enhancement pills, pumps, exercises and surgeries.
Penis pump
Find out how this device can be placed on your penis to create an erection.
Penis health: Identify and prevent problems
Understand the factors that affect penis health and how to identify problems.
Penis fracture: Is it possible?
Know the signs and symptoms of a penis fracture.
Penile implants
Explore your choices and learn what to expect from penile implant surgery.
Pap smear
Pap smear is often recommended for cervical cancer screening. Learn how it's done and what abnormal Pap test results might mean.
PSA test
Learn about this prostate cancer screening test, including why it's done, what to expect, risks and results.
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