Calif regulators find pot smoke causes cancer

(AP) -- Marijuana smoke has joined tobacco smoke and hundreds of other chemicals on a list of substances California regulators say cause cancer.

The ruling Friday by the Office of Environmental Health Hazard Assessment likely will force pot shops with 10 or more employees to post warnings. Final guidelines are expected by the time warning requirements take effect in a year.

The listing only applies to marijuana smoke, not the plant itself.

Spokesman Sam Delson says the state agency found marijuana smoke contains 33 of the same harmful chemicals as .

Delson says the findings came from a review of more than 30 scientific papers.

California's Proposition 65 requires businesses to warn consumers of chemicals that cause cancer or reproductive harm.

©2009 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.


Explore further

Marijuana smoke contains higher levels of certain toxins than tobacco smoke

Citation: Calif regulators find pot smoke causes cancer (2009, June 20) retrieved 18 January 2019 from https://medicalxpress.com/news/2009-06-calif-pot-cancer.html
This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.
 shares

Feedback to editors

User comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more