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Blood is approximately twice as thick as water because of the cells and other components found in it.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
The longest a person has survived after a heart transplant is 24 years.
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