title: Is addictive smoking an independent trait?
mesh_terms: D000328:Adult; D000339:Affect; D006801:Humans; D008297:Male; D008960:Models, Psychological; D009042:Motivation; D010947:Plants, Toxic; D012044:Regression Analysis; D012907:Smoking; D019966:Substance-Related Disorders; D014026:Nicotiana