Obsessive nose picking is called Rhinotillexomania.
101
The human sigh acts as a physiological reset button.
23
It takes approximately 12 hours for food to entirely digest.
93
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
In one day, adult lungs move about 10,000 litres of air.
11
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
One human hair can support 3 ounces.
191