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There are approximately 3 million unintended pregnancies in the United States each year.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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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.