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The average office desk has 400 times more bacteria on it than a toilet.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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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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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.