Ever since Dr. Ernest L. Wynder began trying to convince the world of the dangers of cancer in cigarette smoking, he has looked as cheerful as a basset hound being dragged through a cactus patch. Last week he looked as sad-eyed as ever, but he had good news for smokers. Cigarettes, he told the American Association for Cancer Research, have been made " less hazard ous" — he would not say "safer" — in the last few years, and they are being made still less hazardous.
It may take years for these improve ments to show...