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Did you know?
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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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

