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Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Cyanide works by making the human body unable to use oxygen.