ArticleBMC public health2026

Associations of self-reported smoking status, serum cotinine level and a composite indicator of smoke exposure with depressive symptoms in middle-aged and elderly U.S. individuals: a cross-sectional study based on the National Health and Nutrition Examination Survey, 2005-2018.

Zi-Yi Wang et al.PubMed ↗Full text ↗Publisher ↗

No numbers read from the abstract.