It takes 17 muscles to smile, 43 to frown.
65
A man's beard grows fastest when he anticipates sex.
239
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Clinophobia is the fear of beds!
30
People who sleep late have more mental stamina and can outperform early risers.
33
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
Deep Breathing gives you health benefits similar to aerobics.
39
Only 1% of bacteria cause disease.
45