title: Ask the doctor.  I am 73 years old.  Will quitting smoking really make a difference in my health at this point?
authors.forename: Anthony L
authors.initials: AL
authors.lastname: Komaroff
mesh_terms: D000368:Aged; D003657:Decision Making; D015438:Health Behavior; D007722:Health Knowledge, Attitudes, Practice; D006293:Health Promotion; D006304:Health Status; D006801:Humans; D012307:Risk Factors; D012907:Smoking; D016540:Smoking Cessation