Ernest Hemingway survived through anthrax, malaria, pneumonia, dysentery, skin cancer, hepatitis, anemia, diabetes, high blood pressure, two plane crashes, a ruptured kidney, a ruptured spleen, a ruptured liver, a crushed vertebra, a fractured skull, and more.
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Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
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We blink 25 times a minute.
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All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
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The human brain uses approximately as much energy as a 10 watt light bulb.
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Deep Breathing gives you health benefits similar to aerobics.
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About half of all Americans are on a diet on any given day.
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