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Lifestyle Factors Important In The Development Of Male Breast Cancer LONDON, ENGLAND -- Aug. 25, 1998 -- Just like women, the more affluent a man is, the greater his risk of developing breast cancer seems to be, suggests a study in Occupational and Environmental Medicine. Breast cancer in men is widely believed to be the same disease as that in women, with the same tissue changes, gene mutations and hormonal factors. When researchers in the United States examined the occupations and socio-economic status of 178 men who had died of breast cancer, they found that those with relatively high family incomes and higher education were twice as likely to develop the disease. A significant increase in risk was also found for those employed in blast furnaces, steel foundries, rolling mills and car plants, for which there is no obvious explanation, the authors write. But exposure to electromagnetic fields, high temperatures, pesticides and solvents, all of which have been linked to the disease in the past, were not associated with increased risk of breast cancer. The female hormone, estrogen, is likely to be an important factor, the authors write. In men, this develops in fatty tissue and from the conversion of the male hormone, testosterone. Therefore, lifestyle and occupational factors that affect the production and metabolism of hormones may be just as important in men as they are in women, the authors suggest, and diet may be one of these. Related Links: Occupational and Environmental Medicine E-mail this page to a friend or colleague! To print, use this version