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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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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%.