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.
Quick Answer. According to TransWeb, people typically develop serious and possibly irreversible brain damage after 5 to 10 minutes of not breathing. Brain cells begin to die after 1 minute without oxygen. Serious brain damage is likely within 3 minutes without breathing.