Redheads require up to 20% more anesthesia to be knocked out.
112
It takes 17 muscles to smile, 43 to frown.
65
Wearing tight pants can lead to impotence in men.
120
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
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 glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24