Trying to get through to the Groome Transportation Macon Office on the phone is PURE HELL. I have been the first caller in line for 45 minutes on several occasions. They have 2 other phone numbers but one the mail box is full and the... More
A: Lack of oxygen in the brain will cause permanent brain damage in as little as four minutes. Another four to six minutes without the brain receiving blood will result in increased brain damage, coma and then death.
Depends on the human. The average is about 3 minutes, after which you start risking brain damage and death. However, some people can hold their breaths for over 5 minutes. David Blaine recently set a record for about 17 minutes, but that was after hyperventilating with pure oxygen to flush the CO2 out of his system.owever, in cases of drowning, after passing unconscious, you can survive about 12 minutes (I believe) before you risk brain death. However, in certain cases, children who have fallen into very cold water have survived over an hour without air.