Fitness basics
Learning Center
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 symptoms of this health concern.
Penile implants
Explore your choices and learn what to expect from penile implant surgery.
Panic attacks and panic disorder
Learn about effective treatment for sudden episodes of intense fear that trigger severe physical reactions when there is no real danger or apparent cause.
Pancreatic cysts
Most pancreatic cysts are benign, but some types are cancerous. Find out about symptoms, causes and treatment of cysts in the pancreas.
PSA test
Learn about this prostate cancer screening test, including why it's done, what to expect, risks and results.
PSA levels: Can they rise after partial prostate removal?
A number of factors can cause PSA levels to rise after surgery for an enlarged prostate.
Ovarian cancer: Still possible after hysterectomy?
Surgery to remove your uterus may affect your risk of ovarian cancer, depending on the type of procedure you had.
Orchitis
This inflammation of one or both testicles can cause pain and infertility. It's usually caused by a bacterial infection or the mumps virus.
Narcolepsy
Learn more about this sleep disorder that causes periods of involuntary sleep, sleep paralysis and early rapid eye movement (REM) sleep.
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