Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
15
If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
We blink 25 times a minute.
51
A fetus develops fingerprints at eighteen weeks!
32
Redheads require up to 20% more anesthesia to be knocked out.
112