According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
The heart pumps about 1 million barrels of blood during an average lifetime!
30
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
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
The whiter your tongue, the more germs there are on it.
88
Your heart rate can rise as much as 30% during a yawn.
69
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
You're born with 300 bones, but when you get to be an adult, you only have 206!
17