There are about 1,400 different species of bacteria in your belly button.
10
Banging your head against a wall uses 150 calories an hour.
57
Wearing tight pants can lead to impotence in men.
120
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
Poor eyesight (myopia) is associated with higher IQ.
232
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The skin on your lips is 200 times more sensitive than your fingertips.
345