Is snoking marijuana as bad on your lungs as cigarettes?

Yes, smoking is bad!: Research is not conclusive as to which is worse for your lungs: cigarettes (depends on brand & filter) or cannabis (depends on variety, smoking method: joint or water pipe). But, yes, inhaling smoke into your lungs regularly increases risk of lung disease and/or cardiac disease. Oral forms of cannabis pose less risk to lungs, but dose is harder to regulate. Data not in yet re hazards of vaping.

Appears YES: Recent studies have shown that Smoking marijuana increases risk of cancer It may also causes changes in the brain especially of young people.