Dietary Timeline

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In 1991, two studies, from USA and Canada, found that linoleic acid, the major polyunsaturated fatty acid found in vegetable oils, increased the risk of breast tumours

Carroll K K. Dietary fats and cancer. Am J Clin Nutr 1991; 53: 1064S.

France T, Brown P. Test-tube cancers raise doubts over fats. New Scientist, 7 December 1991, p 12.