Fitness basics
Learning Center
Anxiety disorders
Learn the symptoms of this mental health condition, and ways to manage worry and fear that interfere with your daily activities.
Antidepressants for children and teens
Antidepressants are often effective in treating depression and anxiety in children and teenagers, but there are some risks. Learn more.
Angelman syndrome
Learn about this genetic disorder that causes developmental delays, problems with speech and other symptoms.
Anaphylaxis
Anaphylaxis, a severe allergic reaction, is an emergency. Learn who's at risk, what to watch for and what to do when it occurs.
Anal fissure
Learn what causes a tear in the anus and how to prevent or treat this often painful condition.
Amputation and diabetes: How to protect your feet
Find out who's at risk and what you can do to protect your feet from diabetes complications.
Alzheimer's: Managing sleep problems
Alzheimer's sleep problems affect both you and your loved one. Consider tips for coping.
Allergy skin tests
Considering skin testing for your allergies? Learn about the risks, results and what to expect during testing.
Allergies
Allergy symptoms can range from mild to severe, even life-threatening. Most allergies can't be cured, but treatments can help.
Albinism
In this group of inherited disorders, the body makes little or no melanin, a pigment that determines hair, skin and eye color and vision development.
Refine Your Search
Type
Gender
Age
- All
- 19 to 44 younger
- 45 to 64 middle
- 06 to 12 years elementary/preteen
- 13 to 18 years teen
- 03 to 5 years preschool
- 02 months to 2 years infant/toddler
- 65 to 80 older
- 00 birth to 01 month newborn
- 80 and over
- 16 months to 2 years toddler
- 29 to 40 middle
- 19 to 28 young adult
- 2 years
- 15 months
- 12 months