It is hard to know because many pot smokers probably smoke cigs too, you'd have to find people that smoke pot exclusively to get somewhat accurate results

It probably does though, but you can always use a vaporizer or cook it in brownies, it doesn't have to be smoked
Nailhead Reviewed by Nailhead on . Health issues/Cancer related to Cannabis Has any member on this forum experienced Health Problem or Cancer that was a direct effect from Cannabis use only? Rating: 5