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Author Question: Animal skins, livestock, tobacco, teeth and rocks have historically served as a medium of exchange, ... (Read 21 times) |
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There are 20 feet of blood vessels in each square inch of human skin.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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There are more bacteria in your mouth than there are people in the world.
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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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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.