Every hour one billion cells in the body must be replaced.
17
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
Our Right Lungs takes more air than our left lung.
194
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
The first patented condom was meant to be reused!
47
Your body is creating and killing 15 million red blood cells per second.
50