The China Study - Complete References
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64. This recently published study is more interesting than the others because vitamin E was measured in a way that is more discriminating by considering the fact that vitamin E is carried inthe blood fat. That is, a high level of blood vitamin E may, at times, be due to high levels of blood fat.
65. The effects of vitamin C and selenium in a study by Perkins (Am. J. Epidemiol. 150 (1999):37–44) were not statistically significant in a logistic regression model, according to the authors. I disagree with their conclusion because the inverse "dose-response" trend (high antioxidant blood levels, less memory loss) was impressive and clearly significant. The authors failed to address this finding in their analysis.
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75. Alzheimer's trend was not statistically significant, perhaps due to the small number of disease cases.
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78. There is a potential snag in this logic, however. Homocysteine levels are regulated in part by B vitamins, most notably folic acid and vitamin B12, and people who are deficient in these vitamins may have higher homocysteine levels. People who do not consume animal-basedfoods are at risk for having low B12 levels, and thus high homocysteine levels. However, as described in chapter eleven, this has more to do with our separation from nature, and not adeficiency of plant-based diets.
1. http://www.southbeachdiet.com, accessed 4/26/04