The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Poor eyesight (myopia) is associated with higher IQ.
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The human brain uses approximately as much energy as a 10 watt light bulb.
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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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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 average person's skin weighs twice as much as their brain.
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If your DNA was stretched out it would reach to the moon 6,000 times.
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Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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