Earlier this month, the UK brought in a new tax on sugary drinks, following a few other countries, including France, Mexico and Finland. As a result, a can of Coke, for instance, now costs 8 pence more, although many brands, such as Ribena, Irn-Bru and Lucozade, have replaced some of their sugar with sweeteners, to a chorus of internet outrage.

But the official crusade against the white stuff isn’t stopping there. Now, a group of doctors says we need to start taxing sweet foods, like chocolate, confectionary, cakes and biscuits. …