Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
About 400 different kinds of microbes live on and in the human body.
-3
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Although men ARE more likely to suffer heart attacks, women are more likely to die within a year from having a heart attack.
50
It takes about 20 seconds for a red blood cell to circle the whole body.
102
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
Every year your body replaces 98% of your atoms.
119