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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.