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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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Excessive alcohol use costs the country approximately $235 billion every year.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.