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Pro-inflammatory diet may increase risk of oral cancer

13 Oct 2019

A pro-inflammatory diet, as indicated by a higher score in the Energy-adjusted Dietary Inflammatory Index (E-DII), is associated with an increased risk of oral cancer, according to a China study.

In this case-control study, the authors examined the role of the potential inflammatory effects of diet, measured using the E-DII, on oral cancer. A total of 295 oral cancer cases and 425 controls from September 2010 to June 2018 were included. Participants were from Fujian Province in China.

The E-DII was calculated based on food frequency questionnaires and adjusted by total energy intake. Unconditional logistic regression model was used to estimate the association between E-DII and the risk of oral cancer.

Participants with E-DII in the fourth quartile were shown to have a higher risk of oral cancer (odds ratio, 2.57, 95 percent CI, 1.54–4.29; p-trend=0.013) as compared with those in the lowest quartile. Analyses that used E-DII as a continuous variable revealed a 3-percent higher risk (1.00–1.06) of having oral cancer for each one-unit increase in the E-DII.

In addition, a significant interaction was observed between the E-DII and oral hygiene for oral cancer (OR for those without poor hygiene, 1.96, 0.96–4.00; OR for those with poor hygiene, 4.23, 1.83–9.81; p-interaction<0.001 for both).

“More large samples and prospective studies need to validate our results and explore the prevention strategies of oral cancer via changing dietary habits,” the authors said.

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3 days ago
Older women with longer endogenous oestrogen exposure and hormone therapy use are at much higher odds of having favourable cognitive status in late life, a recent study suggests.
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