This week, Rachael Ralph investigates sugar. Perry Bateman from British Sugar tells her how white sugar and demerara differ; the British Dental Association's Mick Armstrong explains how a high-sugar diet leads to cavities; and Lucy Chambers at Diabetes UK looks at the long-term consequences of high blood sugar. Are artificial sweeteners truly better? Gunter Kuhnle and Jason Halford weigh in. Like this podcast? Please help us by supporting the Naked Scientists