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
In one day, adult lungs move about 10,000 litres of air.
11
If you hold farts in during the day, they'll just come out when you sleep.
16
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
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 human brain uses approximately as much energy as a 10 watt light bulb.
120