Weight-loss basics
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Hyperinsulinemia: Is it diabetes?
Hyperinsulinemia often is associated with type 2 diabetes.
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.
Low blood sodium in older adults: A concern?
For older adults, low blood sodium, known as hyponatremia, can cause death if left untreated.
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.
Macrocytosis: What causes it?
Enlarged red blood cells (macrocytosis) can be due to many factors.
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?
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.
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
Multivitamins: Do young children need them?
Multivitamins: Are they good insurance for young children?
Nail ridges: Cause for concern?
Vertical nail ridges are common and often become more prominent with age.
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