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The connection between carbs and lung cancer, how to change your habits
TODAY’s Erica Hill reports on a surprising new study that links lung cancer to certain carbs that many of us enjoy. According to the study, those carbs, and the sugars they turn into inside your body, could be even worse for you than smoking cigarettes. NBC News medical contributor Dr. Natalie Azar also joins TODAY to talk with Matt Lauer about the study, and offers advice on what you can do to change your habits.