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Video: How to use a peak flow meter
Asthma attacks taking you by surprise? Take regular peak flow meter readings, as shown in this video, to predict asthma episodes and better control your condition.
Video: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Video: How to use a single-dose dry powder inhaler
Watch these step-by-step instructions for using a single-dose dry powder inhaler.
Video: Mammogram for breast cancer — What to expect
Watch video to see what it's like to have a mammogram, or breast cancer detection exam.
Ear reconstruction
Learn about this cosmetic procedure, which is done to rebuild an ear. Understand the risks and learn what to expect after surgery.
Vaginal tears in childbirth
Vaginal tears during childbirth are common. Learn about different kinds of vaginal tears and how they can be treated.
Fetal ultrasound
Look at ultrasound images and learn how to understand what you're seeing.
Benign adrenal tumors
Most of these tumors need no treatment, but some do. Learn about diagnosis and treatment options.
Bent penis
Learn what can cause a curved erection and when you may need to see a health care provider.
Green stool
Learn about the possible causes of green stools in adults and infants.
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