whoops, charts didnt copy right. heres the link: Erowid Cannabis Vault : Info on Smoke composition

its erowid, so id assume its a good source.

looks like its generally safer, but marijuana is still higher in terms of some chemicals. but not a 5:1 ratio for sure
klondike_bar Reviewed by klondike_bar on . Marijuana smoke VS. Ciggarette Smoke In the latest Time magazine there was this section and they said that a single marijuana joint does as much harm to the lungs as smoking 5 cigarettes one after another. Discuss. -_- Rating: 5