Cigarettes may not be the only things that could lead to lung cancer.
A preliminary study suggests some dietary carbs, like those found in white bread and bagels, might also increase the risk for lung cancer.
Researchers at MD Anderson Cancer Center said those who have diets including a high glycemic index were more likely to develop lung cancer.
Those foods raise blood glucose levels quickly, which may play a role in cancer development.
However, the study is far from definitive. It does not prove that carb-rich foods actually cause lung cancer.
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