Enamel is hardest substance in the human body.
61
Smokers get ten times more wrinkles than non-smokers.
171
The human sigh acts as a physiological reset button.
23
In Japan, condoms are commonly sold 'door to door'!
54
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
A person can live without food for about a month, but only about a week without water.
156
On average, women have always lived longer than men.
195