Type 2 Diabetes (T2D) is one of the greatest challenges currently facing the NHS, with growing levels of obesity contributing to a large increase in the numbers of people with the condition. The disease can lead to serious long-term health problems – including heart attack, stroke, kidney failure and sight loss – which have an enormous impact on the lives of patients and their families. And it is these complications that account for most of the healthcare activity and cost associated with T2D.