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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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Vaccines prevent between 2.5 and 4 million deaths every year.
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Cyanide works by making the human body unable to use oxygen.
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Medication errors are three times higher among children and infants than with adults.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.