In the average lifetime a person will breath in about 44 pounds of dust.
21
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Redheads require more anesthesia to 'go under' than other hair colors do.
51
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
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
We blink 25 times a minute.
51
The human body contains over a billion miles of DNA.
147