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Did you know?
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Cyanide works by making the human body unable to use oxygen.
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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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There are 20 feet of blood vessels in each square inch of human skin.

