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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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The longest a person has survived after a heart transplant is 24 years.