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 largest cell in the human body is the female egg and the smallest is the male sperm.
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The human body contains over a billion miles of DNA.
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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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Your thumb is about the same size as your nose.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The human brain has the capacity to store everything that you experience.
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