Nutrition basics
Learning Center
Small bowel prolapse (enterocele)
Learn more about this condition also called a vaginal hernia that happens when the small bowel pushes down onto the top of the vagina.
Sodium: How to tame your salt habit
Find out which foods have lots of this mineral and get tips on how to cut back.
Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
Stages of labor and birth: Baby, it's time!
Find out what happens during the different stages of labor and birth.
Stress fractures
Stress fractures are tiny cracks in bones often caused by overuse or osteoporosis. Learn how to prevent and treat them.
Surgery for stress urinary incontinence in women
Learn what's involved in surgery to treat stress urinary incontinence, including risks, benefits and other factors to consider before making a decision.
Symptoms of pregnancy: What happens first
Are you pregnant? Tender breasts, nausea and fatigue are just a few early symptoms of pregnancy. Find out about these and less obvious pregnancy signs.
Taurine in energy drinks: What is it?
Energy drink ingredients can cause concern for some who consume these beverages.
Testosterone therapy in women: Does it boost sex drive?
This type of hormonal therapy may boost sex drive for some women, but its long-term safety is unclear.
The reality of menopause weight gain
Find out what causes menopause weight gain, and learn about ways you may be able to minimize it.
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