Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
It has been said that over 350 million people suffer from Facebook Addiction Disorder.
115
Only 1% of bacteria cause disease in humans!
2
The lense of the eye continues to grow throughout a person's life.
34
The average office desk has 400 times more bacteria than a toilet.
22
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145