If your focus this year has been to remove meat, sugar or carbohydrates from your diet in the hope that it will transform your health and reduce your waistline, you probably don’t want to hear that your efforts don’t fulfil the latest requirement laid out by nutritionists: detox on ultra-processed food.We all know that fast food and highly refined biscuits and snacks are a no-go, but “ultra-processed” encompasses more than the usual dietary junk. And before you think your diet is too virtuous to contain anything that is not pure, those plant-based burgers, wholesome sounding soups, yoghurt and that artisan-looking loaf might fall into the latest category of foods best avoided.“We are familiar with the concept of processed food — and that includes