Nutrition basics
Learning Center
Astigmatism
Imperfect curvature of your eye can cause blurred distance and near vision. Learn about this common and treatable eye condition.
Asthma: Steps in testing and diagnosis
Think you or your child might have asthma? Here's what's involved in making a diagnosis.
Artificial sweeteners and other sugar substitutes
Get the facts on products that make food and drinks sweeter.
Arteriovenous malformation
In this condition, a tangle of blood vessels affects the flow of blood and oxygen. Treatment can help.
Are energy drinks bull?
Thanks to a large amount of sugar and caffeine, energy drinks might give you a temporary energy boost. But too much sugar from energy drinks can add extra pounds. And too much caffeine can cause adverse side effects, such as nervousness, stomach upset, irritability, increased heart rate and insomnia. There are better ways to boost your energy. For example, get enough sleep, exercise regularly and eat a healthy diet.
Aortic valve disease
Learn more about diseases that affect the valve between the heart's main pumping chamber and the body's main artery.
Angelman syndrome
Learn about this genetic disorder that causes developmental delays, problems with speech and other symptoms.
Ambiguous genitalia
Learn about causes and treatment of ambiguous genitalia, a rare disorder of sex development in which a baby's external genitals are not clearly male or female.
Alkaline water: Better than plain water?
Health claims about alkaline water abound, but plain water is usually best.
Alcohol use: Weighing risks and benefits
Drinking alcohol in any amount is a health risk that increases with each drink you have. The risk peaks with heavy drinking, including binge drinking, which carries serious health risks.
Refine Your Search
Type
- All
- Disease (128)
- Answer (49)
- Article (46)
- TestProcedure (38)
- Video (13)
- HealthTip (6)
- SlideShow (6)
- Symptom (1)
Gender
Age
- All
- 19 to 44 younger
- 45 to 64 middle
- 00 birth to 01 month newborn
- 02 months to 2 years infant/toddler
- 03 to 5 years preschool
- 13 to 18 years teen
- 06 to 12 years elementary/preteen
- 65 to 80 older
- 02 to 15 months infant
- 80 and over
- Premature baby
- 06 to 10 years elementary