Dr. Bronstein, the noted oncological researcher, cites contradictory evidence in his article comparing smoking and environmental factors as cancer-causing agents in humans. He attributes the increase in cancer-related mortality “largely to lung cancer,” which he further notes, “is itself largely due to smoking.” In a similar vein, he makes reference to methodologically sound studies which pinpoint smoking as the actor which causes the greatest number of cancer deaths. Yet, he then goes
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