Skin care
Learning Center
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
Monkeypox: What is it and how can it be prevented?
Find out more about the rare mpox, or monkeypox, viral infection, the possible symptoms in humans, treatment options and how to prevent getting or spreading the virus.
Measles vaccine: Can I get the measles if I've already been vaccinated?
Is it possible to get measles from someone else if you've been vaccinated?
Macrocytosis: What causes it?
Enlarged red blood cells (macrocytosis) can be due to many factors.
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.
Kids and exercise: How much activity do they need?
You know your kids should exercise, but how much? Find out and get ideas for helping children and adolescents be more physically active.
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.
Hyperinsulinemia: Is it diabetes?
Hyperinsulinemia often is associated with type 2 diabetes.
Hydrated skin: Does drinking water help?
Understand the role water plays in keeping skin healthy.
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