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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Illicit drug use costs the United States approximately $181 billion every year.
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Vaccines prevent between 2.5 and 4 million deaths every year.