The human sigh acts as a physiological reset button.
23
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
The average sperm cell swims at 8 inches per hour.
76
Your thumb is about the same size as your nose.
124
If you hold farts in during the day, they'll just come out when you sleep.
16
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