Banging your head against a wall uses 150 calories an hour.
57
In older people, memory is best early in the morning and then declines during the late afternoon.
33
Your tongue is the only muscle in your body that is attached at only one end.
173
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
Every year your body replaces 98% of your atoms.
119
When your face blushes, the lining of your stomach turns red, too.
154
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
The smallest human penis ever recorded was just 5/8 of an inch long!
77