The human brain uses approximately as much energy as a 10 watt light bulb.
120
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
There are about 1,400 different species of bacteria in your belly button.
10
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
The heart pumps about 1 million barrels of blood during an average lifetime!
30
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
During menstruation, the sensitivity of a woman's middle finger is reduced.
47