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This study confirms that smoking any type of cigarette conveys serious health risks, Tanner and colleagues wrote

Findings have implications for developing trauma-informed, multi-level interventions for tobacco use that combine individually directed approaches with those that consider the built environment

Indeed, COPD stages 1 and 2 and the presence of emphysema were shown to be among the strongest independent risk factors for lung cancer, with respective hazard ratios of 1.4 and 3.5 in the Pittsburgh Lung Screening Study cohort [23, 60]

And if you are sharing the joint with a friend in need, there are less chances of spit swapping