Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
One human hair can support 3 ounces.
191
Enamel is hardest substance in the human body.
61
Every year your body replaces 98% of your atoms.
119
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Our Right Lungs takes more air than our left lung.
194
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22