These study results suggest that cigars, when used in combination with cigarettes, may be associated with poorer chronic obstructive pulmonary disease (COPD) health outcomes. Exclusive cigarette use ...
Omar El-Shahawy, Su Hyun Park, Dustin T. Duncan, Lily Lee, Kosuke Tamura, Jenni A. Shearston, Michael Weitzman and Scott E. Sherman Objective: To examine the association between state-level tobacco ...
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