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The horizontal fraction bar was introduced by the Arabs.
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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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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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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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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.