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COVID-19, cold, allergies and the flu: What are the differences?
Knowing if you have COVID-19, a cold, the flu or seasonal allergies isn't easy. Find out about the differences between these illnesses.
Article
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about links between this key vitamin and the widespread viral infection.
Answer
Balance exercises
These exercises can improve balance and help prevent falls. See how they're done.
Article
Vaginal odor
Learn about causes of unpleasant or unusual odor from the vagina and when to seek care.
Symptom
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