The Earlier a Smoker Quits, the Better Chance He or She

Q53: The addictive chemical in cigarette smoke is

Q54: Which of the following is most directly

Q55: Like two other addictive drugs, cocaine and

Q56: During the first few years after you

Q57: Tobacco kills most of its victims by

Q58: Smoking can reduce the ability to eliminate

Q60: Where in your blood would you expect

Q61: The components of cigarette smoke in your

Q62: Based on the data in the graph

Q63: A smoker endangers his or her own