evidence: Sugar and Cancer: Wilmot Registered Dietitians Weigh In on What You Should Know It’s a topic that often comes up when discussing diet, particularly for those concerned about cancer. Some may wonder about the impact of eliminating sugar when it comes to cancer risk, but unfortunately, it’s not a simple answer because healthy cells need sugar to make energy. Wilmot’s registered dietitians, Sue Czap and Melissa Zahn, help explain the relationship between sugar and cancer. [...] Research does not support eliminating sugar from your diet to make cancer go away.