Why we might never know the truth about ultra-processed foods
By Philippa Roxby, BBC News
Ultra-processed foods.
Photo: RNZ / Cole Eastham-Farrelly
They are the bête noire of many nutritionists - mass-produced yet moreish foods like chicken nuggets, packaged snacks, fizzy drinks, ice cream or even sliced brown bread.
So-called ultra-processed foods (UPF) account for 56 percent of calories consumed across the UK, and that figure is higher for children and people who live in poorer areas.
UPFs are defined by how many industrial processes they have been through and the number of ingredients - often unpronounceable - on their packaging. Most are high in fat, sugar or salt; many you'd call fast food.
What unites them is their synthetic look and taste, which has made them a target for some clean-living advocates.
There is a growing body of evidence t...










