The human body contains over a billion miles of DNA.
147
The heart pumps about 1 million barrels of blood during an average lifetime!
30
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Your ears secrete more earwax when you are afraid than when you aren't.
229
It is possible to go blind from smoking too heavily.
50
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
More people have a phobia of frogs than rats.
41