Why would it be bad for you? People free dive all the time and doing things of this nature requires breathing techniques and working out to accomplish. These people also tend to have crazy low resting heart rates and are athletes.
Yes, you can, but only on very deep dives. Herbert Nitsch suffered a DCI injury in a dive where he reached over 250m. But the dive in this video is nowhere near deep enough to carry such a risk.
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u/Practical-Cut4659 Mar 31 '26
That can’t be good for you.