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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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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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There are approximately 3 million unintended pregnancies in the United States each year.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.