Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
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You're born with 300 bones, but when you get to be an adult, you only have 206!
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‘Fracture putty’ is a material being developed that when packed in & around a bone fracture, provides full load bearing strength within days.
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A man's beard grows fastest when he anticipates sex.
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Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
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The average tastebud lives only 10 days before it dies and is replaced by a new one.
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Your ears secrete more earwax when you are afraid than when you aren't.
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Pain travels through the body at 350 feet per second!
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