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To the best of our knowledge, no study has investigated the factors associated with smoking intensity in the Iranian adult population while accounting for zero-inflation and overdispersion in this count response variable

35 The pH (a measure of the acid-base balance) of smoke affects the proportion of nicotine that is free-base

smoking rate hits an all-time lowbut theres still work to do How many Americans use tobacco, and how

The harmful chemicals in cigarette smoke can cause chronic bronchitis, where the airways become inflamed and produce excessive mucus

This is a sticky, brown substance that coats the lungs and affects breathing