Obsessive nose picking is called Rhinotillexomania.
101
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Enamel is hardest substance in the human body.
61
Only humans shed emotional tears.
331
The human eye blinks an average of 4,200,000 times a year.
233
Your heart will pump about 212 million liters in its lifetime.
26
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
A man's beard grows fastest when he anticipates sex.
239