Mental health
Learning Center
Postpartum preeclampsia
Learn about this rare condition that's typically associated with pregnancy, but that can occur after delivery, too. Untreated, it can lead to serious complications.
Premenstrual syndrome (PMS)
Mood swings, cramps and irritability are just a few telltale clues that you're getting your period. Learn what you can do for PMS symptom relief.
Pulmonary valve stenosis
When the valve between the heart and lungs is narrowed, blood flow slows. Know the symptoms of this type of valve disease and how it's treated.
Trichomoniasis
This common sexually transmitted infection is caused by a parasite. Reduce your risk by using condoms when you have sex.
Umbilical hernia
Learn about this condition in which your intestines create a bulge near your navel.
Whooping cough
Learn more about the symptoms, causes, treatment of this highly contagious, vaccine-preventable lung infection.
Video: Fetal ultrasound
Fetal ultrasound provides a glimpse of your developing baby.
Video: Melanoma — Early stage and advanced melanoma
Melanoma — Video explains early-stage melanoma and advanced melanoma.
Video: How cancer spreads
Watch this video to see how cancer spreads (metastasizes).
Video: Heart and circulatory system
Watch this video to see how a healthy heart works.
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