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Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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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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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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There are approximately 3 million unintended pregnancies in the United States each year.