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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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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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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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People about to have surgery must tell their health care providers about all supplements they take.