The human body contains over a billion miles of DNA.
147
A man once sued his doctor because he survived his cancer longer than the doctor predicted.
74
Human teeth are almost as hard as rocks!
47
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
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
Every hour one billion cells in the body must be replaced.
17
Every time you sneeze some of your brain cells die.
113
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190