A person can live without food for about a month, but only about a week without water.
156
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
Held in farts enter your bloodstream and are bad for your body.
26