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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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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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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.