Aerobic exercise
Learning Center
Penis health: Identify and prevent problems
Understand the factors that affect penis health and how to identify problems.
Senior sex: Tips for older men
Sex isn't just for the young. Get tips for staying active, creative and satisfied as you age.
Video: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
How your brain works
Which part of your brain does what? Take a tour.
HER2-positive breast cancer: What is it?
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
Vasectomy
Find out more about this procedure that provides nearly 100 percent effective male birth control by cutting the supply of sperm to semen.
Loss of sex drive in men: Natural with aging?
Age-related loss of sex drive is normal, but sometimes an underlying condition is at play.
Hormone therapy for prostate cancer
Find out what to expect during testosterone-blocking therapy. Learn about choices, including medicines and surgery.
Transurethral incision of the prostate (TUIP)
Learn about this procedure for treating an enlarged prostate, including how it's done and possible risks and benefits.
Blood donation
Find out what to expect during blood donation and how your blood will be used to help others.
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