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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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.
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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.