You can alleviate a tickly throat by scratching your ear.
11
Every year your body replaces 98% of your atoms.
119
Fingernails grow fastest on the hand you favor.
44
A person can live without food for about a month, but only about a week without water.
156
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Flu shots only work about 70% of the time.
18
Human hair and fingernails continue to grow after death.
7