When your face blushes, the lining of your stomach turns red, too.
154
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
Banging your head against a wall uses 150 calories an hour.
57
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
It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
Deep Breathing gives you health benefits similar to aerobics.
39
One quarter of the bones in your body are in your feet!
36
It takes 17 muscles to smile, 43 to frown.
65