Marijuana smoke contains higher levels of certain toxins than tobacco smoke

Here’s another reason to “keep off the grass.” Researchers in Canada report that marijuana smoke contains significantly higher levels of several toxic compounds — including ammonia and hydrogen cyanide — than tobacco smoke and may therefore pose similar health risks.

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<p><a href="http://www.physorg.com/news117116317.html">Marijuana smoke contains higher levels of certain toxins than tobacco smoke</a></p> <p>Here’s another reason to “keep off the grass.” Researchers in Canada report that marijuana smoke contains significantly higher levels of several toxic compounds — including ammonia and hydrogen cyanide — than tobacco smoke and may therefore pose similar health risks.</p>