A person can live without food for about a month, but only about a week without water.
156
Poor eyesight (myopia) is associated with higher IQ.
232
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Your heart will pump about 212 million liters in its lifetime.
26
The human sigh acts as a physiological reset button.
23