Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-first-aid-4f19e4b3fde1

How soon can permanent brain damage begin without oxygen?

After about five minutes.

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  1. After one hour
  2. After one day
  3. After about five minutes ✔

Why: Permanent brain damage can set in after five minutes without oxygen, so act fast.

Huh, didn't know that: Permanent brain damage can set in after five minutes without oxygen, so act fast.

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Five minutes, no gimmicks!
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References

Answer: After about five minutes. Permanent brain damage can set in after five minutes without oxygen, so act fast.

  1. First aid en.wikipedia.org/wiki/First_aid
    Permanent brain damage sets in after five minutes of no oxygen delivery
    Checked 2026-11-07.

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