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General model parameters remained constant across models

Tobacco smoke introduces thousands of harmful chemicals into the lungs, many of which are irritants

Question: Answer: The question of how long does nicotine stay in your system depends on method of consumption, as well as whether we are talking about nicotine, the active substance, is felt in your system, or whether we are talking about how many days out from use its metabolites can be detected on drug tests

Psychopharmacology (Berl) 114 : 456462

The qualitative synthesis focused on the clinical significance of smoking cessation in relation to TB-related complications