Nutritional supplements
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Nasopharyngeal carcinoma
Nasopharyngeal carcinoma is cancer that occurs in the nasopharynx, which is located behind your nose and above the back of your throat.
Multivitamins: Do young children need them?
Multivitamins: Are they good insurance for young children?
Multiple sclerosis
This nervous system disorder causes a range of symptoms — and while there's no cure, it's possible to have long periods of remission.
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
Microcephaly
Learn more about microcephaly, when an infant's head is smaller than expected. The condition affects child development.
Masculinizing surgery
Find out how masculinizing surgical procedures can help better align the body with a person's gender identity.
Laryngospasm: What causes it?
Laryngospasm is a brief spasm of the vocal cords, which temporarily interrupts breathing.
Lack of sleep: Can it make you sick?
Lack of sleep can affect your immune system. Here's what you need to know.
Kidney stones
Learn about the symptoms, risks, causes and treatment of this often intensely painful condition.
Is depression a factor in rheumatoid arthritis?
Depression is common in people with rheumatoid arthritis. If it isn't treated, depression may contribute to worsening of rheumatoid arthritis symptoms.
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