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Article
February 7, 1931

PARIS

JAMA. 1931;96(6):452. doi:10.1001/jama.1931.02720320052017

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Abstract

Cancer and Magnesium in the Soil  Professor Delbet is carrying on research on the relation that he alleges exists between the dearth of magnesium in the soil and the development of cancer. He stimulates research by other investigators and publishes results that appear to confirm his thesis. He presented recently to the Academy of Medicine the results of the research of Dr. Robinet of Moret. The latter prepared statistics on cancer mortality in the small rural communes with less than 5,000 inhabitants, who live directly from the soil. He then made investigations to determine the magnesium content of the French soil. He presented two maps, one showing the distribution of magnesium and the other the relative incidence of cancer. The relationship between the two maps is striking. Of the twenty-five districts with a very low cancer incidence, twenty-four have a soil with a high magnesium content. Of the twenty-four districts

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