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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Everyone has one nostril that is larger than the other.
The human body produces and destroys 15 million blood cells every second.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
There are approximately 3 million unintended pregnancies in the United States each year.
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