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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Excessive alcohol use costs the country approximately $235 billion every year.
Asthma cases in Americans are about 75% higher today than they were in 1980.
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