Implications for comorbidities, maternal smoking during pregnancy, and inflammation in current smokers

Background: Evaluate comorbidities, childhood abuse, and inflammation in current heavy-smokers compared to light-smokers and never-smokers. Methods: Current-Smokers (n = 129) and never-smokers (n = 85) were screened for the use of alcohol, tobacco, and other substances, and assessed for nicotine dependence and childhood trauma. Tumor necrosis factor alpha (TNF-α) and its receptors (sTNFR1 and sTNFR2), leptin, lipid hydroperoxide, and lipid profile biomarkers were measured after overnight fasting. Results: Current-smokers presented higher prevalence of major depressive disorder (PR = 1.79, CI 95% [1.36–2.37], p