Staying healthy
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.
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.
Is antibacterial soap a do or a don't?
It's generally best to wash your hands with soap and water. Over-the-counter antibacterial soaps are no more effective at killing germs than is regular soap.
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.
How to break the busy cycle
Take a step back and examine why you're so busy. Then embrace the value of doing nothing. Use these tips for learning how to press pause this week.
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