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
There are more bacteria in your mouth than there are people in the world.
60
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
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
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
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
We blink 25 times a minute.
51