Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Vaccines contain formaldehyde, ethylene glycol (antifreeze), phenol (disinfectant / pesticide), and aluminum.
-14
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
You can alleviate a tickly throat by scratching your ear.
9
Ingrown toenails are hereditary.
15
Your tongue is the only muscle in your body that is attached at only one end.
173
Banging your head against a wall uses 150 calories an hour.
57