Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
There's 100 trillion good bacteria living in your body.
17
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
Within three days of death, the enzymes that once digested your food begin to eat you.
22
In the average lifetime a person will breath in about 44 pounds of dust.
21
Your skin is actually an organ.
88
The whiter your tongue, the more germs there are on it.
88
Every year your body replaces 98% of your atoms.
119