Williams · Journal of breath research 2016 · conceptual methodology overview · n=?

Crowd-based breath analysis: assessing behavior, activity, exposures, and emotional response of people in groups.

Cited 19 times in the scientific literature.

Level 5 - mechanism / opinion, no new human data

Conceptual and methodological framework paper without primary empirical data (graded by design analogy).

PubMed 27341381 · doi:10.1088/1752-7155/10/3/032001 · record verified 2026-08-26

What was done

This paper introduces a conceptual framework for crowd-based breath analysis in enclosed spaces. The proposed approach utilizes real-time mass spectrometry to monitor ambient air and correlate the temporal profiles of volatile organic compounds with known breath markers, including carbon dioxide, isoprene, and acetone.

What was found

The abstract describes theoretical applications for monitoring chemical dose/toxicity, behavioral shifts, and stress status, but it reports no empirical data, statistical values, or quantitative results.

Why it matters

The paper outlines a non-invasive ambient monitoring paradigm to evaluate collective physiological and psychological states across groups in real time.

Limits

No experimental validation, cohort data, or numerical metrics are provided in the abstract. Confounding factors such as room ventilation rates, background environmental contaminants, and individual variance within group signals are not assessed.

Cited by