Summarising the key learnings of his presentation at the ISA roundtable symposium in the context of the 17th International Congress of Dietetics in September 2016, in this video interview Prof Kees de Graaf provides an overview of how taste overall influence eating behaviour and food choices, and discusses the role of sweet taste in human diet throughout centuries. Also, referring to the scientific work of his team on low calorie sweeteners, Prof de Graaf explains why by providing sweetness without calories low calorie sweeteners help in reducing energy intake in the diet and do not affect appetite.