The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Your thumb is about the same size as your nose.
124
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human sigh acts as a physiological reset button.
23