Cereals spike blood glucose

On 11th June 2018, during “Diabetes Week”, I tweeted: “T2D prevention plan: Give everyone a Libre blood glucose device for 4 weeks so that they can see what raises their blood glucose. Then advise people to avoid/minimise eating the things that raise their blood glucose” (Ref 1).

Little did I know that, as I was tweeting, a study that had trialled this with 57 people was in the final stages of submission. The paper was called "Glucotypes reveal new patterns of glucose dysregulation" and it was published by Hall et al on July 24th (Ref 2).

The rationale for the paper was sobering: “Type 2 diabetes is one of the most significant health problems worldwide, affecting 30.2 million adults in the US and 422 million worldwide, with global costs in excess of $825 billion.” Almost 1 in 10 US individuals (30 million people) have been diagnosed with diabetes. Another 84 million are estimated to be pre-diabetic and, without intervention, 70% of these may progress to having type 2 diabetes (T2D).

The introduction to the study noted that current methods for measuring 'dysglycemia' (abnormality in blood glucose stability) rely on single-time-point 'finger prick' tests. We now have glucose monitoring devices (like Libre), which can give a continuous assessment of what is happening to blood glucose levels. These are potential game changers for diabetes and potential game changers for food manufacturers. Once people realise that 'healthy whole grains' cause blood glucose spikes, behaviour is more likely to change. The fake food industry must loathe Libre devices almost as much as they loathe the prospect of further sugar tax legislation.

 

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