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 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
The average person's skin weighs twice as much as their brain.
131
Your heart will pump about 212 million liters in its lifetime.
26
The human body contains over a billion miles of DNA.
147
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19