Quote Originally Posted by JackdaWack
I totally forget where i found this info but a group researched the most healthiest way to smoke and found out that it was between a joint and a vaporizer. Reason being is that joints if not smoked entirely trap most of the tar in the "roach".

Actually i just found the site: enjoy!
Marijuana Water Pipe and Vaporizer Study
While that is very interesting, it is a highly unlikely scenario. I mean come on who is gonna waste all that weed!