Nutrition basics
Learning Center
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?
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
Monosodium glutamate (MSG): Is it harmful?
Monosodium glutamate (MSG) can trigger headaches and other symptoms in some people.
Ovarian cysts and infertility: A connection?
Certain types of ovarian cysts can contribute to fertility problems.
PSA levels: Can they rise after partial prostate removal?
A number of factors can cause PSA levels to rise after surgery for an enlarged prostate.
Penis fracture: Is it possible?
Know the signs and symptoms of a penis fracture.
Phantosmia: What causes olfactory hallucinations?
Phantosmia is often due to a head injury or upper respiratory infection.
Phenylalanine in diet soda: Is it harmful?
You may be worried about phenylalanine because of a warning on diet soda. Find out why the warning is there.
Plugged ears: What is the remedy?
Plugged ears are usually a mild, temporary problem. Learn about potential causes and treatments.
Prostate cancer metastasis: Where does prostate cancer spread?
Prostate cancer can spread (metastasize) just about anywhere in the body, but it's most likely to spread to the lymph nodes and bones.
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