Healthy diets
Learning Center
Atypical hyperplasia of the breast
Learn how a diagnosis of atypical lobular hyperplasia or atypical ductal hyperplasia affects your risk of breast cancer and what you can do.
Atrioventricular nodal reentry tachycardia (AVNRT)
This most common type of supraventricular tachycardia, a type of irregular heartbeat, tends to occur in young women. Know the symptoms and treatment.
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.
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.
Atrial septal defect (ASD)
This heart problem that is present at birth causes a hole between the heart's upper chambers. It can be treated.
Atrial fibrillation
A fast, pounding heartbeat could be due to AFib, a type of heart rhythm problem. Know the warning signs and when treatment is needed.
Atopic dermatitis (eczema)
Learn about the causes, symptoms and treatments of this itchy rash that most often begins before age 5, is persistent, and has periods of clearing and relapse.
Athlete's foot
Learn about the causes, symptoms, prevention and treatment of this common fungal skin infection.
Atelectasis
Atelectasis means a collapse of the whole lung or an area of the lung. It's one of the most common breathing complications after surgery.
Ataxia
Often caused by an underlying condition, this loss of muscle control and coordination can impact movement, speech and swallowing.
Refine Your Search
Type
- All
- Disease
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 13 to 18 years teen
- 06 to 12 years elementary/preteen
- 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
- 11 to 12 years preteen
- 29 to 40 middle
- 10 years
- 02 to 15 months infant