Diet and Glioma: The Role of Antioxidants and Phytoestrogens
Author Information
Author(s): Tedeschi-Blok Nicole, Lee Marion, Sison Jennette D, Miike Rei, Wrensch Margaret
Primary Institution: University of Southern California
Hypothesis
Long-term consumption of dietary antioxidants and phytoestrogens may reduce the risk of adult glioma.
Conclusion
Higher dietary antioxidant index and certain phytoestrogens, especially daidzein, are associated with a lower risk of glioma.
Supporting Evidence
- Statistically significant inverse associations were found for antioxidant index and several phytoestrogens.
- Consumption of carotenoids was linked to a reduced risk of glioma.
- Self-reported cases had a lower mean age compared to controls.
Takeaway
Eating foods rich in antioxidants and some plant compounds might help protect against brain tumors.
Methodology
The study used logistic regression models to compare nutrient intake between glioma cases and controls.
Potential Biases
Potential bias from differences in data quality between self-reported and proxy-reported dietary histories.
Limitations
Dietary data may not accurately represent actual intake during the relevant period for glioma development.
Participant Demographics
Participants included 802 glioma cases and 846 controls, with a mean age of 50 years for self-reported cases.
Statistical Information
P-Value
p < 0.003
Confidence Interval
95% CI not specified
Statistical Significance
p<0.003
Digital Object Identifier (DOI)
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