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Cyanide works by making the human body unable to use oxygen.

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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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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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