Hi Maria Cross MSc Thank you for this fascinating article, I have been searching for strong examples of correlation between sugar and depression and this is the strongest I have read to date.

Having adopted a strict plant-based diet myself a little over a year ago, I immediately felt an improvement in my anxiety and slowly linked this to the reduction of refined sugar. This was especially confirmed – in my own mind at least, when for a short period I feel off the rails and consumed a lot of sugary snacks and immediately noticed a spike in my anxiety once more.

It would be great if you were to list the differences between high GI carbs and low GI carbs as I know that brown carbohydrates such as brown rice and drum wheat wholemeal pasta do not cause the blood sugar spikes of their white counterparts. Do you also believe this to be correct?