Consumer health basics
Learning Center
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
HER2-positive breast cancer: What is it?
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
Types of dermatitis
Learn to identify types of dermatitis by how the skin looks. Examples include atopic dermatitis, contact dermatitis and seborrheic dermatitis.
Mammogram
Learn what to expect during a breast X-ray exam. Find out about the benefits of mammograms for breast cancer screening, as well as potential risks.
Lung volume reduction surgery
Lung volume reduction surgery helps some people with severe emphysema breathe easier. Diseased lung tissue is removed so the remaining tissue works better.
Ovulation signs: When is conception most likely?
Trying to get pregnant? Learn about ovulation signs and symptoms.
Premenstrual dysphoric disorder: Different from PMS?
Extreme moodiness, intense sadness or marked irritability in the days before your period — along with your usual PMS symptoms — could be PMDD.
Wrinkles
These lines in the skin are a natural part of aging that's also affected by sun exposure and smoking. Learn about prevention tips and treatment options.
Iron deficiency in children: Prevention tips for parents
Learn how much of this key mineral your child needs and what the health risks of not getting enough are.
Signs of labor: Know what to expect
Know exactly what to expect as your due date approaches and your body prepares for delivery.
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