Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
There are about 1,400 different species of bacteria in your belly button.
10
The right lung takes in more air than the left.
30
Most lipstick contains fish scales.
37
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The average office desk has 400 times more bacteria than a toilet.
22
The human sigh acts as a physiological reset button.
23
Dieters who sleep more take off more fat that those who sleep less.
159