The human brain has the capacity to store everything that you experience.
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Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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It takes twice as long to lose new muscle if you stop working out than it did to gain it.
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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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It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
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Your body is creating and killing about 2.4 million red blood cells per second.
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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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Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
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