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Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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The average office desk has 400 times more bacteria on it than a toilet.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.