The holidays are here; and that usually means cookies, egg nog, cheeses, deli meats and plenty of indulgence. But new research is renewing concerns about ultra-processed foods and their links to higher risks of disease.What exactly counts as an ultra-processed food? Why are they so hard to stop eating? And does eating better over the holidays mean cutting out all your favourites, or are there realistic alternatives?

Our question: From egg nog to deli meats — what questions do you have about ultra-processed foods and eating better over the holidays?