Dietary factors and risk of prostate cancer in Poland. Results of case-control study.

The relationship between cigarette smoking, vodka drinking and consumption of 44 food items typical of the Polish diet were analyzed in a case-control study performed in Cracow, Poland, among 76 cases of prostate cancer and 152 controls. Cigarette smoking and drinking of vodka were not significantly influencing the prostate cancer. The men who ate smoked or fried fish or liver at least once per week had almost half of the risk of prostate cancer of the men who ate those food rarely.