The research shows a link between high-sugar diets and diseases such as dementia and cancer. It doesn’t show that sugar causes them, but it’s compelling enough to prompt us to cut down on sugar.
Quitting sugar is unlikely to improve your health any more than cutting down on ultra-processed foods, eating more vegetables and cooking food from scratch.
Senior Lecturer in Nutrition Science, Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University