How marijuana and vaping affect lung defenses

Alteration of bronchial epithelium host defenses by marijuana and vaping preparations

NIH-funded research Ohio State University · NIH-10925364

This study looks at how smoking or vaping marijuana affects lung health, especially how THC, the main ingredient in marijuana, might change the way our lungs fight off infections, helping us understand the potential long-term effects of marijuana use on breathing.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionOhio State University NIH-funded
Lab location1 site (Columbus, UNITED STATES)
Project IDNIH-10925364 on NIH RePORTER

What this research studies

This research investigates the impact of marijuana smoking and vaping on the bronchial epithelium, which is crucial for lung health. It focuses on how delta-9-tetrahydrocannabinol (THC), the main psychoactive component in marijuana, alters the lung's ability to defend against infections. By exposing human bronchial cells to THC, the study aims to understand changes in mucociliary function and susceptibility to bacterial infections. The findings could provide insights into the long-term effects of marijuana use on respiratory health.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals who use marijuana or vaping products and experience respiratory issues.

Not a fit: Patients who do not use marijuana or vaping products and have no respiratory conditions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved understanding and management of respiratory conditions associated with marijuana use.

How similar studies have performed: While there is ongoing research into the effects of smoking on lung health, this specific investigation into THC's impact on bronchial defenses is relatively novel.

Where this research is happening

Columbus, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Bacterial Infections
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.