Eating More Vitamin A-rich Vegetables May Reduce the Risk of Lung Cancer

Eating More Vitamin A-rich Vegetables May Reduce the Risk of Lung Cancer

Reference: "Intake of vitamin A-rich foods and lung cancer risk in Taiwan: with special reference to garland chrysanthemum and sweet potato leaf consumption,"

Jin YR, Ger LP, et al,

(Address: Department of Medical Education and Research, Kaohsiung Veterans General Hospital, 386 Ta-Chung 1st Rd., Kaohsiung, Taiwan. E-mail: lpger@vghks.gov.tw ).

Summary: In a case-control study involving 301 incident lung cancer cases, 602 hospital controls, and 602 neighborhood controls, results indicate that increased consumption of vitamin A-rich foods may be associated with a lower risk of lung cancer.

Diet information was gathered using a food frequency questionnaire. Using conditional logistic regression models adjusted for potential confounders, dietary intakes of vitamin A, alpha-carotene, and beta-carotene were inversely associated risk of lung cancer.

The highest quartiles for consumption of vitamin A-rich vegetables, garland chrysanthemum, and sweet potato leaves, were associated with at least 27% reduced risk of lung cancer, compared with the corresponding lowest quartiles.

Thus, the authors of this study conclude, "higher consumption of vitamin A-rich vegetables, especially garland chrysanthemum and sweet potato leaves might provide potential protection from lung cancer."

Asia Pac J Clin Nutr, 2007; 16(3): 477-88.

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