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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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Your heart beats over 36 million times a year.
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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.