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Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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There are more bacteria in your mouth than there are people in the world.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.