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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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The FDA recognizes 118 routes of administration.

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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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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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Asthma cases in Americans are about 75% higher today than they were in 1980.

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