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There are 20 feet of blood vessels in each square inch of human skin.
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Cyanide works by making the human body unable to use oxygen.
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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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Everyone has one nostril that is larger than the other.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.