Breathing · 7 min
Training CO₂ tolerance
Most people breathe faster than necessary, driven by a sensitivity to carbon dioxide that's higher than functionally needed. By training your CO₂ tolerance, you breathe calmer and more efficiently, with less shortness of breath during exertion or stress. This is a skill you can build with targeted practice.
In this article: What it is · How it works · Common myths · Practical tips · When to be careful
Key takeaways
- Measure your baseline with the body oxygen level test.
- Practice daily with an extended, calm exhale.
- Build up breath holds gradually, never force it.
- Never practice in or near water.
Written by Jochem Nohlmans, founder of Somora.