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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Your heart beats over 36 million times a year.
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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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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.