That&#x27;s an old study based on limited information. Its primary value at this point is that it encouraged more research, which found that, yes, smoking marijuana DOES increase rush of lung cancer.<p>For example, a slightly newer study
<a href="http:&#x2F;&#x2F;www.ncbi.nlm.nih.gov&#x2F;pmc&#x2F;articles&#x2F;PMC2516340&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.ncbi.nlm.nih.gov&#x2F;pmc&#x2F;articles&#x2F;PMC2516340&#x2F;</a>