Consumer health basics
Learning Center
Lung nodules: Can they be cancerous?
Lung nodules are common. Most aren't cancer. Find out what tests might be recommended if you have a lung nodule.
Low blood sodium in older adults: A concern?
For older adults, low blood sodium, known as hyponatremia, can cause death if left untreated.
Living wills and advance directives for medical decisions
Living wills and other advance directives describe your treatment preferences in end-of-life situations when you can't speak for yourself.
Limbic-predominant age-related TDP-43 encephalopathy (LATE)
LATE causes symptoms similar to Alzheimer's, but may progress more slowly.
Isolated systolic hypertension: A health concern?
Both the top and bottom numbers in blood pressure readings hold clues about your health. But if just the top number is high, it might be a concern.
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.
Hyperinsulinemia: Is it diabetes?
Hyperinsulinemia often is associated with type 2 diabetes.
How your brain works
Which part of your brain does what? Take a tour.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
Home birth: Know the pros and cons
Understand the possible risks and how to plan and prepare for a home birth.
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