In the fight against cancer, doctors may be putting too much emphasis on cures and too little emphasis on prevention, warned Dr. W. C. Hueper of the National Cancer Institute, speaking this week to the Washington Cancer Society.
As for the causes of cancer, many scientists still accept "rather sterile concepts," Dr. Hueper said. Among them he listed the theories that cancer gets started by chronic irritation and that it is the product of heredity. Both, he said, are supported by evidence of "doubtful value," and both may cause researchers to ignore a wide...
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