Ismael Galancho, dietitian and author of 'Balance your glucose': "We blame carbohydrates for the damage that affluence and sedentary lifestyle have done". "Together with inflammation and oxidative stress, they are the horsemen of the apocalypse," he says.

To have correct control of insulin in the blood, you have to clear your mind of a lot of misinformation, says Ismael. "Many of the things they tell us on social networks or on the internet even work against us, such as adding fat left and right," he adds.