Consumer health basics
Learning Center
Atrioventricular canal defect
This congenital heart defect involves a hole in the heart. It affects blood flow through the heart valves. Learn the symptoms and how it's treated.
Ventricular septal defect (VSD)
In this heart problem present at birth, there is a hole between the two lower heart chambers. Know the symptoms and when surgery is needed.
Patent foramen ovale
Learn more about the causes and complications of this condition in which a hole in the heart doesn't close the way it should after birth.
Male hypogonadism
This condition affects the ability of men's bodies to produce enough testosterone or enough sperm or both.
Spermatocele
Learn more about this noncancerous testicular disorder that may require surgery if it's causing discomfort. But, the condition often needs no treatment.
Child abuse
Child abuse includes physical, sexual, emotional and medical abuse, as well as neglect. Learn about signs, risk factors, how to get help and prevention.
Zinc for colds: The final word?
Everyone's heard of taking zinc for colds. But does it really work?
Valerian: A safe and effective herbal sleep aid?
Valerian — Can this sleep aid help you sleep better?
High cholesterol treatment: Does cinnamon lower cholesterol?
Can cinnamon lower cholesterol?
Do infrared saunas have any health benefits?
How is an infrared sauna different from a traditional sauna? Light provides the heat.
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