The world record is 24 min 37.36 sec
How can they stay conscious for so long on a single breath? Doesn’t the body need a constant supply of oxygen?
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The comments here all explain it, but if you’d like to watch a fascinating video along with answers to your question, [David Blaine](https://youtu.be/XFnGhrC_3Gs) goes into detail about how he achieved 17 minutes – which at the time in 2008 was the record.
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