are cigarettes or weed worse for lungs Smoking marijuana may be more harmful to than smoking cigarettes, study finds The Effects of Smoking Cannabis

The effect would be expected to be smaller for secondhand compared to primary exposure given volume of toxicants and length of exposure

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In a way, cigarettes dont discriminate and what a great way to pay homage to that is by introducing the most famous brands of cigarettes

The challenge comes when looking at the risk factors of crews as a whole

Prior to that study the tobacco industry could claim that there was no evidence that cigarette smoking caused lung cancer