I recently investigated this topic before I purchased a vaporizer. Fascinating stuff really....The NORML/MAPS testing data indicates that water pipes are worse than joints! Crazy eh. Vaporizers are the cleanest for sure and I can vouch for that. After smoking in various ways for 17 years, I can now breathe easy again. Check out this site for more...
http://www.maps.org/mmj/vaporizer.html

That's my $4.20 worth.
420izzle Reviewed by 420izzle on . Effects Of Use Rollings Vs Bong/Vap Me personally i use Backwoods, Frontoo and Dutchs To Smoke, But I Was Just Wondering How much worst exactly is it for each individual method or smoking? Or are they all equal?:confused: Rating: 5