Secondhand cannabis smoke: what gets into your body?
NCT ID NCT06030674
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at how secondhand cannabis smoke affects healthy nonsmokers. Researchers will measure cannabis byproducts in urine before and after exposure in public places. The goal is to understand how much of the smoke's chemicals enter the body. This is a small pilot study with 200 participants.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
secondhand cannabis smoke exposure
What this could lead to
If successful, this could help understand how secondhand cannabis smoke enters the body and inform public health guidelines.
What could go wrong
This is a small, early pilot study with only 200 healthy nonsmokers, so results may not apply to everyone. The exposure happens in real-world settings, making it hard to control all factors.
Disclaimer
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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.
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.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Zuckerberg San Francisco General Hospital
RECRUITINGSan Francisco, California, 94110, United States
Contact Email: •••••@•••••
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