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Did you know?
There are more bacteria in your mouth than there are people in the world.
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Everyone has one nostril that is larger than the other.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.