Rob Hobson takes a more "realistic" approach to cutting down on ultra-processed foods after a year.Rob Hobson/Getty ImagesUPFs, which contain additives, have been linked to cancer, diabetes, and depression.Nutritionist Rob Hobson tried to eliminate them from his diet as much as possible last year.Now, he incorporates them into his diet in a way that works for him.Since deciding to cut down on ultra-processed foods a year ago, nutritionist Rob Hobson has developed a more "realistic" view of how they fit into a healthy diet, he told Business Insider.UPFs have made headlines this year as public awareness grew of the potential health risks of eating too many.