title: It's never too late to quit smoking.
mesh_terms: D000367:Age Factors; D000368:Aged; D005260:Female; D015438:Health Behavior; D006801:Humans; D008297:Male; D008875:Middle Aged; D012907:Smoking / Q000453:epidemiology; D016540:Smoking Cessation; D000074606:Smoking Prevention