Nutrition basics
Learning Center
Mitral valve disease
Learn more about diseases that affect the valve between the left heart chambers, including mitral valve regurgitation and mitral valve stenosis.
Color blindness
Is it red or is it green? Learn more about what causes color blindness and how to tell whether or not you can distinguish between certain shades of color.
Atrial tachycardia
This type of fast heartbeat may occur after heart surgery or during pregnancy. But infections may trigger it, too. Learn how it's diagnosed and treated.
Elective abortion: Does it affect subsequent pregnancies?
Understand if an elective abortion can affect your fertility or future pregnancies.
Antibiotics and pregnancy: What's safe?
Learn about common types of antibiotics used during pregnancy and their safety.
Diabetes
Learn more about the different types of this blood sugar disorder, who's at risk and how each type can be treated.
Hydrocephalus
Learn about this potentially fatal condition that causes fluid buildup in the brain. It can cause a range of symptoms, from headaches to poor balance.
Epiglottitis
A blocked windpipe needs prompt treatment.
Video: How to use a dry powder disk inhaler
Watch these step-by-step instructions for using a dry powder disk inhaler.
Video: Keratoconus
Scleral contact lenses may be an alternative to surgery for many patients with keratoconus.
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