For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Your heart will pump about 212 million liters in its lifetime.
26
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
One human hair can support 3 ounces.
191
Our Right Lungs takes more air than our left lung.
194
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The human brain uses approximately as much energy as a 10 watt light bulb.
120