CO2 Tolerance Test — 60-Second Protocol
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biohack · 2026-07-21
Here's a one-minute test of how calm your breathing really is.
After a normal breath out, hold your breath and time how long until the first strong urge to inhale. Under 20 s = low tolerance, 20–40 s = average, > 40 s = high. Track monthly. Long holds correlate with calmer breathing patterns at rest.
The protocol
| Test | exhale normally, hold, time first strong urge to inhale |
| Frequency | once per month |
| Interpretation | <20s low, 20-40s average, >40s high |
Skip this if
- anxiety triggered by breath holds
- pregnancy (skip)
Full transcript
Here's a one-minute test of how calm your breathing really is. Breathe out normally, then hold — and time how long until the first strong urge to inhale. Under twenty seconds is low, over forty is high. Check it once a month; longer holds tend to come with calmer, steadier breathing at rest. More protocols like this on agegen.ai. Generate your prime age!
Sources
- https://www.nccih.nih.gov/health/relaxation-techniques-what-you-need-to-know
- https://www.nccih.nih.gov/health/meditation-and-mindfulness-what-you-need-to-know
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