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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.