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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.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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