The skin on your lips is 200 times more sensitive than your fingertips.
345
Your body is creating and killing 15 million red blood cells per second.
50
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
56
It takes 17 muscles to smile, 43 to frown.
65