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November 25, 2010

Consuming variety of fruits-vegetables slashes lung cancer risk

A recent study has claimed that consumption of variety of fruits & vegetables regularly could slash the risk of developing lung cancer by almost a quarter. 

Experts often recommend to eat five portions of fruit & vegetables daily as a means to prevent cancer. Now, the new study carried out by researchers from 10 European nations showed that regular consumption of a variety of fruits & vegetables cuts the risk of lung cancer by up to 23%. Maria Jose Sanchez Perez, the director of the Granada Cancer Registry in Spain & co-author of the study said that the research looks more deeply into the relationship between diet & lung cancer.

"Aside from the amount consumed, it's also important to take into account the variety. A varied diet reduces the risk of developing this cancer, above all in smokers," added Maria. The results of this study, published in the journal Cancer Epidemiology, Biomarkers & Prevention, showed that eating "more than eight sub-groups" of vegetables cuts this risk by 23% compared with eating "less than four sub-groups".

In addition, this risk falls by a further 4% for each unit added to the diet from another sub-group. "A significant link was only found in smokers", the researcher stressed. "For every two additional units of different kinds of fruits & vegetables in the diet, the risk of lung cancer falls significantly by 3%. "So if smokers increase the variety of fruit they eat they could 've a lower risk of developing this type of cancer".

The European Prospective Investigation into Cancer & Nutrition (EPIC) study involved 23 centres from 10 European countries & a sample of 500,000 European subjects. Lung cancer continues to be one of the most common cancers in developed countries. For this reason, despite the encouraging results of this study, Sanchez Perez said "the most effective way of preventing it continues to be reducing the prevalence of tobacco consumption among the populace".

Greater variety in fruit & vegetable consumption is associated with a lower risk of developing epidermoid carcinoma of the lung, with an additional two units of fruit & vegetable consumption leading to a 9% reduction in risk. This effect is clearer among smokers (where the risk falls by 12%). No significant association between fruit & vegetable consumption & the risk of developing lung cancer was seen for the other kinds of tissues affected (adenocarcinoma & small & large cell carcinoma).

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