The human sigh acts as a physiological reset button.
23
A man's beard grows fastest when he anticipates sex.
239
Obsessive nose picking is called Rhinotillexomania.
101
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Enamel is hardest substance in the human body.
61
It takes about 20 seconds for a red blood cell to circle the whole body.
102