It is possible to go blind from smoking too heavily.
50
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
Human thigh bones are stronger than concrete!
63
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62

