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The average office desk has 400 times more bacteria on it than a toilet.
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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.