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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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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%.