Consuming foods and beverages with a high glycemic index such as white bread or bagels corn flakes and puffed rice is linked with an increased risk of developing lung cancer says a study. Glycemic index (GI) is a measure of the quality of dietary carbohydrates defined by how quickly blood sugar levels are raised following a meal. The link between GI and lung cancer is particularly prominent in particular subgroups such as never-smokers and those diagnosed with the squamous cell carcinoma (SCC) subtype of lung cancer showed the study published in the journal Cancer Epidemiology Biomarkers & Prevention. The researchers