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Expert Rev Endocrinol Metab. 2016 Nov;11(6):521-528. doi: 10.1080/17446651.2016.1239525. Epub 2016 Sep 30.

Calorie restriction and reversal of type 2 diabetes.

Author information

1
a Magnetic Resonance Centre, Institute for Cellular Medicine , Newcastle University , Newcastle upon Tyne , UK.

Abstract

Type 2 diabetes causes major global health problems and has been believed to be a lifelong condition with inevitable worsening. Steadily increasing numbers of drugs appeared to be required to achieve even modest control. Early type 2 diabetes has now been shown to be reversed by substantial weight loss and this has allowed temporal tracking of the underlying pathophysiological changes. Areas covered: In early type 2 diabetes, negative calorie balance decreases liver fat within days, and allows return of normal control of hepatic glucose production. Over 8 weeks, the negative calorie balance allows the raised levels of intra-pancreatic fat and simultaneously first phase insulin secretion to normalise. These findings are consistent with the 2008 Twin Cycle Hypothesis of the etiology and pathogenesis of type 2 diabetes. Individuals develop type 2 diabetes when they exceed their personal fat threshold for safe storage of fat and there is no difference in pathophysiology between those with BMI above or below 30 kg/m2. Expert commentary: Type 2 diabetes can now be understood as a state of excess fat in liver and pancreas, and remains reversible for at least 10 years in most individuals.

KEYWORDS:

Pathogenesis of type 2 diabetes; Twin Cycle Hypothesis; etiology of type 2 diabetes; liver fat; pancreas fat; reversal of type 2 diabetes

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