Healthy pregnancy
Learning Center
Erectile dysfunction: A sign of heart disease?
Erectile dysfunction and heart disease can be linked. Take steps to avoid both.
Erectile dysfunction: Nonoral treatments
Get the facts about shots, penis pumps and other ED treatments that don't involve taking medicine by mouth.
Erectile dysfunction: Viagra and other oral medications
Get the facts on medicines that are taken by mouth for ED.
External beam radiation for prostate cancer
Learn about the risks and results of this procedure, which is used to deliver radiation therapy for prostate cancer.
Falling during pregnancy: Reason to worry?
Here's what to consider after a fall during pregnancy, including when to seek medical help.
Fetal ultrasound
Look at ultrasound images and learn how to understand what you're seeing.
Flu shot in pregnancy: Is it safe?
Will you be pregnant during flu season? A flu shot is safe — and it protects both you and your baby.
Frequent sex: Does it protect against prostate cancer?
Some studies have suggested that frequent ejaculation may reduce the risk of prostate cancer. But other research hasn't supported this idea.
Frostbite
Learn how to prevent cold injury to the skin when outdoors in freezing temperatures and how to treat and recover from frostbite.
Green stool
Learn about the possible causes of green stools in adults and infants.
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