Fingernails grow fastest on the hand you favor.
44
Your skin is actually an organ.
88
A person can live without food for about a month, but only about a week without water.
156
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
About 400 different kinds of microbes live on and in the human body.
-3
It takes approximately 12 hours for food to entirely digest.
93
Your ribs move about 5 million times a year, every time you breathe!
60