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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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If you could remove all of your skin, it would weigh up to 5 pounds.