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
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Your body is creating and killing about 2.4 million red blood cells per second.
17
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
There are about 1,400 different species of bacteria in your belly button.
10
The human body contains over a billion miles of DNA.
147