Chocolate, sex, and laughter are all important for a healthy brain.
37
The whiter your tongue, the more germs there are on it.
88
The average office desk has 400 times more bacteria than a toilet.
22
Enamel is hardest substance in the human body.
61
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
The human sigh acts as a physiological reset button.
23