The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
About 400 different kinds of microbes live on and in the human body.
-3
A person can live without food for about a month, but only about a week without water.
156
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Pain travels through your body at 350 ft. per second.
36
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22