It takes 17 muscles to smile, 43 to frown.
65
Every hour one billion cells in the body must be replaced.
17
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The average person who stops smoking requires one hour less sleep a night.
79
A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
Banging your head against a wall uses 150 calories an hour.
57