Hookah bars may harm Bystanders' blood vessels, new study warns

NCT ID NCT04661683

First seen Jan 18, 2026 · Last updated May 23, 2026 · Updated 25 times

Summary

This study looks at how breathing in secondhand hookah smoke or e-hookah vapor affects blood vessel health. Healthy non-smokers aged 21-49 will have their blood flow and artery stiffness measured before and after brief exposure to hookah smoke, e-hookah aerosol, or clean air. The goal is to understand the immediate risks to bystanders, especially young adults and pregnant women.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for VAPING are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Contacts and locations

Locations

  • University of California, Los Angeles

    Los Angeles, California, 90095-8361, United States

Conditions

Explore the condition pages connected to this study.