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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The human body contains over a billion miles of DNA.
147
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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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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The average sperm cell swims at 8 inches per hour.
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Poor eyesight (myopia) is associated with higher IQ.
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After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55