A new study shows a diet high in foods with a high glycaemic index (GI) – typically white bread, potatoes and white rice – can increase the risk of lung cancer by 49%.

The team at MD Anderson Cancer Centre in Houston studied 1,905 people who had just been diagnosed with lung cancer and compared them to 2,415 people without cancer.

They quizzed them about their eating habits, smoking, income and other factors.

People who ate the most foods with a high glycaemic index were about 50 percent more likely to be in the lung cancer group than people who reported they ate the fewest high-glycaemic foods. Just another reason to (1) stop smoking and (2) go easy on refined carbohydrates.

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