Kissing an infection-free partner is good for your teeth!
141
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
Your skin is actually an organ.
88
After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14
You inhale about 700,000 of your own skin flakes each day.
29
When your face blushes, the lining of your stomach turns red, too.
154
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8