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Vitamin A as a factor in the prevention of lung cancer in smokers

Vitamin A as a factor in the prevention of lung cancer in smokersFrom January 1986 through September 1989, 18244 smoker aged 45-64 years were included in a prospective study of the Association of diet and cancer in Shanghai. Information on tobacco Smoking and other lifestyle factors was obtained through interviews. Serum samples were collected from each participant at the beginning of the study. During the first 12 years of 209 cases of lung cancer were identified. 622 people were included as control group. High levels of carotenoids, including beta-cryptoxanthin, alpha-carotene, beta-carotene, lycopene and lutein/zeaxanthin were associated with a decreased risk of lung cancer. A statistically significant reduction in the risk of lung cancer by 37% was observed in smokers with high levels of carotenoids compared with persons who had a level of carotenoids below average. Marked by a distinct reduction in the risk of lung cancer in persons with a high concentration of vitamin A in the blood (Cancer Epidemiol. Biomarkers Are Prev., 2001). Vitamini.ru.



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