Nutrition basics
Learning Center
After a flood, are food and medicines safe to use?
After a flood, don't eat foods or take medications that have come into contact with flood water or contaminated water.
Age spots (liver spots)
Learn more about the harmless dark spots on your skin that tend to appear as you age, especially in areas exposed to the sun. Treatment is available.
Aging and unsteady gait: What can you do?
An unsteady gait is a common side effect of aging. Here's what you can do about it.
Albuterol side effects: Can I avoid them?
Albuterol side effects — Managing reactions to quick-relief asthma medication.
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.
Alkaline water: Better than plain water?
Health claims about alkaline water abound, but plain water is usually best.
Allergy medications: Know your options
Learn more about allergy medications. Find out what they do and how they can help your symptoms.
Alli weight-loss pill: Does it work?
Alli is an over-the-counter weight-loss pill that keeps your body from absorbing all of the fat in food. Learn about the drug's benefits and side effects.
Alpha blockers
Learn how this type of blood pressure medicine works and how it also can ease symptoms of an enlarged prostate.
Alzheimer's treatments: What's on the horizon?
Alzheimer's treatments now being studied include an Alzheimer's vaccine and several new medicines.
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