COFFEE AND CANCER
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Some epidemiological studies and pre-clinical studies have suggested that coffee consumption has a protective effect against non-melanoma skin cancers. The results were published in January in the Journal of the National Cancer Institute.
To determine whether there is an association between coffee consumption and risk of cutaneous melanoma, Erikka Loftfield, MPH, of the Division of Cancer Epidemiology and Genetics, National Cancer Institute, and colleagues used data from the NIH-AARP Diet and Health Study. Information on coffee consumption were obtained from subjects 447 357 non-Hispanic whites with a self-administered questionnaire in 1995/1996, which was followed by a follow-up of 10 years. All subjects included in the analysis were free of cancer at baseline, and the authors took into account factors such as: environmental exposure ultraviolet radiation residential, body mass index, age, sex, physical activity, alcohol intake, and smoking.
In general, the highest coffee consumption was inversely associated with the risk of malignant melanoma, with a lower risk of 20% for those who consumed four or more cups a day. With a higher intake, there has been a tendency towards greater protection. Furthermore, the effect was statistically significant for caffeinated coffee, non-decaffeinated, and only for protection against malignant melanoma, but not in-situ melanoma, which can have a different aetiology.
The researchers point out that the results are preliminary and may be applicable to other populations, and additional investigations are needed. However, they conclude that "Due to the high burden of disease, changes in lifestyle, with even modest protective effects, can have a significant impact on the prevention of melanoma"
Source: Worldhealth
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