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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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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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There are approximately 3 million unintended pregnancies in the United States each year.
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Vaccines prevent between 2.5 and 4 million deaths every year.