After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The skin on your lips is 200 times more sensitive than your fingertips.
345
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Your body is creating and killing 15 million red blood cells per second.
50
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Pain travels through your body at 350 ft. per second.
36
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30