Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
When your face blushes, the lining of your stomach turns red, too.
154
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
The average office desk has 400 times more bacteria than a toilet.
22
One out of 20 people have an extra rib.
66