Very cagily did Dr. Edward Sigfrid Sundstroem of the University of California Medical School at Berkeley report last week that experimentally he had cured laboratory-developed cancer in rats by keeping them for three to six weeks in low pressure tanks. The reduced oxygen tension in those tanks simulated atmospheric conditions on tops of mountains four to five miles high. His hesitancy in making the report was due to: 1) ordinary scientific cautiousness; 2) the misinterpretation of the experimental adrenal cortex cancer treatment being tried out by Drs. Walter Bernard Coffey and John Davis Humber in San Francisco. Previous experimenters have retarded growth of cancer cells by low tension oxygen treatment. Dr. Sundstroem declared his were the first cures" by this means. In it one great danger exists. Minute care must be taken in reducing the atmospheric pressure in the tanks very slowly, else the rats die. Because of this, half of Dr. Sundstroem's test rats died. Of 133 which lived, 83% were definitely freed of their laboratory cancer.
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