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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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