Nutritional supplements
Learning Center
Pink eye: How long is it contagious?
Many parents wonder how long pink eye (conjunctivitis) is contagious. Find out.
Petroleum jelly: Safe for a dry nose?
Rarely, inhaling petroleum jelly for prolonged periods can cause lung inflammation (lipoid pneumonia).
Pet allergy: Are there hypoallergenic dog breeds?
There are no hypoallergenic dog breeds, but you can reduce your allergic reactions.
Ozone air purifiers: Can they improve asthma symptoms?
Ozone air purifiers don't reduce asthma symptoms. In fact, they can make asthma worse.
Neti pot: Can it clear my nose?
Learn more about this container designed to rinse debris or mucus from the nasal cavity.
Neti pot solution: Can I make my own?
A homemade neti pot solution is just as effective as the over-the-counter variety.
Multivitamins: Do young children need them?
Multivitamins: Are they good insurance for young children?
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
Melatonin side effects: What are the risks?
Melatonin is generally safe for short-term use but can cause side effects.
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?
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