The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
