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Blood is approximately twice as thick as water because of the cells and other components found in it.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
The average office desk has 400 times more bacteria on it than a toilet.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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