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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Illicit drug use costs the United States approximately $181 billion every year.