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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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Medication errors are more common among seriously ill patients than with those with minor conditions.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.