- Conditions
- Waterpipe Size
- Interventions
- Waterpipe size
- Other
- Lead sponsor
- The University of Texas at Arlington
- Other
- Eligibility
- 21 Years to 39 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced May 22, 2026, 3:41 AM EDT