"Cannabis resin, the most commonly used form of cannabis in the United Kingdom, is often smoked mixed with tobacco, thus adding the well-documented risks of exposure to tobacco smoke, while complicating the picture for the researcher."

why did you leave this portion of the paragraph off? I don't deny the legitimacy of the study, but the researchers have a hard time getting genuine test samples because so many cannabis smokers also smoke cigarettes.

"New research on this subject is constantly coming forward, so this cannot be said to be the last word on it."

I hope your dogma is not a direct result of the article, but you kinda indicated as such. Either way, you're smart to be moderate and use vaporizers.:thumbsup: