Brain survival time without oxygen
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
More Health Facts
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.