Preventing type 2 diabetes: scaling up to create a prevention system.
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Abstract
About 2 million Australians have prediabetes and are at high risk of developing type 2 diabetes. Type 2 diabetes is a fast-growing epidemic and the economic costs are estimated to be $14.6 billion per year in Australia. Strong evidence from randomised controlled trials shows type 2 diabetes can be prevented in up to 58% of people at high risk, through structured lifestyle intervention. Good evidence and experience obtained from translational studies in Australia shows we can deliver effective community-based prevention programs. To be effective, a national strategy for prevention of type 2 diabetes should involve two concurrent approaches - a targeted approach aimed at those most at risk (ie, with prediabetes) combined with an environments, systems and behaviour approach for the entire population. Australia's current efforts in both these areas are not nationwide, not large scale and often not sustained.