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
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The right lung takes in more air than the left.
30
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
A man's beard grows fastest when he anticipates sex.
239
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15