inspiration, expiration: we all have a unique “respiratory personality”

Inhale, exhale: we all have a unique “breath personality”

June 11, 2025

By Camille Gaubert THE Subscribers

The pattern of our unconscious inhalations and exhalations is so unique to us that it is possible to identify someone by their "breathing personality" with an accuracy of 97%, according to one study.

The pattern of airflow exiting the nose when we breathe mindlessly is unique.

The pattern of airflow exiting the nose when we breathe mindlessly is unique.

Soroka et al., Current Biology

As you read this article, your brain automatically controls your breathing muscles. Without even thinking about it, you breathe in and out. But did you know that this silent mechanism follows a unique pattern? Detected by sensors under the nose, an individual's respiratory personality can be identified with an accuracy of almost 97%—as good as, or even slightly better than, voice recognition, concludes a study published in the journal Current Biology.

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