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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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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.