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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The human body produces and destroys 15 million blood cells every second.
Thyroid conditions may make getting pregnant impossible.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
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