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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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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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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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There are more bacteria in your mouth than there are people in the world.

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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

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