The human brain is insensitive to pain.
76
Male hospital patients fall out of bed twice as often as female hospital patients.
71
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12