That's what common sense would have us believe, but cigarette smoke is indeed much worse for you than marijuana smoke.
http://www.atsjournals.org/doi/abs/10.1513/AnnalsATS.201212-...
from the abstract:
>In summary, the accumulated weight of evidence implies far lower risks for pulmonary complications of even regular heavy use of marijuana compared with the grave pulmonary consequences of tobacco.
That's what common sense would have us believe, but cigarette smoke is indeed much worse for you than marijuana smoke.
http://www.atsjournals.org/doi/abs/10.1513/AnnalsATS.201212-...
from the abstract:
>In summary, the accumulated weight of evidence implies far lower risks for pulmonary complications of even regular heavy use of marijuana compared with the grave pulmonary consequences of tobacco.