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Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.