Hookah warning signs tested in atlanta cafés

NCT ID NCT05916170

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether posting health warnings in hookah cafés could reduce how much young adults smoke. Researchers measured carbon monoxide levels in 977 customers before and after they smoked. The goal was to see if warnings led to less smoking compared to no warnings.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to
If effective, health warnings in hookah cafés could help reduce waterpipe tobacco smoking among young adults.
What could go wrong
This is a completed observational study, not a treatment trial. The findings may not apply to other settings or populations, and the effect of warnings may be small.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Tobacco Smoking

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Wake Forest University Health Sciences

    Winston-Salem, North Carolina, 27157, United States