Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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Thyroid conditions may make getting pregnant impossible.
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There are 60,000 miles of blood vessels in every adult human.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
