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Did you know?
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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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.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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There are approximately 3 million unintended pregnancies in the United States each year.