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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.