Your skin is actually an organ.
88
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The average person's skin weighs twice as much as their brain.
131
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
About 400 different kinds of microbes live on and in the human body.
-3
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
The heart pumps about 1 million barrels of blood during an average lifetime!
30