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Switching to "low-yield" cigarettes, those that yield less [#permalink]
14 Oct 2003, 05:57
50% (02:39) correct
50% (01:04) wrong based on 4 sessions
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Switching to "low-yield" cigarettes, those that yield less nicotine, tar, and carbon monoxide than regular ciga-rettes. When tested on a standard machine, does not, in general, reduce the incidence of heart attack. This results is surprising, since nicotine and carbon monoxide have been implicated as contributing to heart disease.
Which one of the following, if true, most helps to resolve the apparent discrepancy?
(A) Smoking low-yield cigarettes has become fashionable, as relatively healthier styles of life have become more popular than those that have been identified as risky.
(B) For those who are themselves smokers, inhaling the smoke of others is not generally a significant factor contributing to an increased risk of heart disease.
(C) Nicotine does not contribute as much as to heart disease as does carbon monoxide.
(D) Carbon monoxide and cigarette tar are not addictive substances.
(E) People who switch from high-yield to low-yield cigarettes often compensate by increasing the number and depth of puffs in order to maintain their accustomed nicotine level.