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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Cyanide works by making the human body unable to use oxygen.
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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.