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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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.