Even before the U.S. Surgeon General's 1964 report on smoking, medical statisticians had amassed considerable evidence linking cigarette smoking to lung cancer, heart disease and other ailments. In the last three years, with Americans puffing away more heavily than ever before (545 billion cigarettes last year v. 511 billion in 1964), researchers have concentrated not only upon proving the lethal effects of cigarettes but also upon trying to devise a safer one.
Last week a Senate Commerce subcommittee opened hearings to investigate the progress of the research. While the Senators heard still...
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