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ANSWER: For Each Minute Your Brain Does Not Receive Oxygen, Your Chances Of Living Gets Reduced So A persons brain can live for about 7 Minutes without oxygen Edit Share to:
Rating Newest Oldest. Best Answer: I am a Respiratory Therapist and the answer is 3 minutes. Brain damage is irreversible no matter how long you are without oxygen. Once brain damage begins you can never regain those cells that have died.