The readings reminded me of this NPR story on Meta-analysis in the case of Vitamin E. Meta-analysis is the consideration of various studies that share similar tests that can then be combined to fit on a broader scale to counter the specifics of data. Dr. Marcello Pagano of Harvard School of Public Health was on discussing the findings in a Meta-analysis of Vitamin E supplements, and in this case, so called Megadoses of vitamin E. Previous studies have shown that the intake of Vitamin E can be beneficial for your health. But this new study shows it can actually impact your health. It seems that when data is reviewed on a small scale it points to the benefits, but when viewed on a macro scale, negative aspects can be seen.
link
Meta-analysis Wiki
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