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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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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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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."