Your body is creating and killing about 2.4 million red blood cells per second.
17
The human brain is insensitive to pain.
76
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Vicks inhalers can cause you to test positive for Meth on drug tests.
41
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Fidgeting can burn about 350 calories a day.
201