The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Your body is creating and killing 15 million red blood cells per second!
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Fingernails grow nearly 4 times faster than toenails.
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Those who get out of bed by 7am are more likely to be thinner and happier.
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Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
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Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
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The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
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Every time you sneeze some of your brain cells die.
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