Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Redheads require more anesthesia to 'go under' than other hair colors do.
50
25% of your bones are located in your feet.
12
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
