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Did you know?
There are 60,000 miles of blood vessels in every adult human.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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There are more sensory neurons in the tongue than in any other part of the body.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.