If you are cold you are more likely to be hungry because you use energy to keep warm.
144
If you hold farts in during the day, they'll just come out when you sleep.
16
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
A human being loses an average of 40 to 100 strands of hair a day.
133
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