The human sigh acts as a physiological reset button.
23
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
You see your nose at all times, your brain just chooses to ignore it.
30
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
There's 100 trillion good bacteria living in your body.
17
A person can live without food for about a month, but only about a week without water.
156