Reanalysis of Epidemiological Data for Selenium Anti-Cancer Activity
- 1 July 1991
- journal article
- research article
- Published by SAGE Publications in Toxicology and Industrial Health
- Vol. 7 (4) , 319-325
- https://doi.org/10.1177/074823379100700407
Abstract
Investigations of the health effects of selenium have repeatedly noted an inverse relationship of selenium (both soil and human sera) and decreased prevalence of cancer. This has been found in cross sectional, case-control and ecological study designs. Reanalysis of age-adjusted death rates by cancer site revealed a significant inverse relationship for lung and all cancer with blood selenium. Methodological problems in this type of re search is discussed.Keywords
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