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In one randomized controlled trial, for example, those who got a smoking cessation intervention 6 months after entering substance use disorder treatment had better alcohol abstinence rates and similar smoking abstinence rates compared to those who got it during (i.e., concurrent with) this substance disorder treatment episode

Endotoxemia and Oxidative Stress Findings Both passive and active exposure to tobacco smoke, whether from HTPs or cigarettes, were linked to increased endotoxemia and intestinal permeability

Lyon RE, Walters RN, Crowley S, Quintiere JG

An excess of $150 billion is lost in terms of productivity [10]