Teen health
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Why interval training may be the best workout at any age
High-intensity interval training (HIIT) may provide more benefits for older exercisers than the young and fit. Learn how to harness the power of intervals whatever your age.
Article
Withdrawal method (coitus interruptus)
The withdrawal method — pulling the penis out of the vagina before ejaculation — isn't the most effective birth control. Learn about the pros and cons.
TestProcedure
Yeast infection in men: How can I tell if I have one?
Yeast infections can occur in men, causing inflammation of the penis (balanitis). Learn what signs and symptoms could mean you have a yeast infection.
Answer
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