There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
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Every year your body replaces 98% of your atoms.
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One human hair can support 3 ounces.
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After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
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The human body contains over a billion miles of DNA.
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Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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