Breath tests reveal how cannabis and tobacco differently impact lungs
Knowledge-focused
Not yet recruiting
This study compares the immediate effects of inhaling cannabis (either smoked or vaporized) versus tobacco cigarettes on lung health. Researchers will measure breath biomarkers—such as exhaled nitric oxide, volatile organic compounds, and other substances—to see how each substanc…
Phase: EARLY_PHASE1 • Sponsor: Hannah Harris • Aim: Knowledge-focused
Last updated Jul 12, 2026 00:00 UTC