Put the calorie exercise equivalent on food labels?

We can’t rely just on a healthy helping of art to keep us in good shape: diet matters too, and the evidence is that we’re all eating far too much. Cue a paper from Loughborough University’s Amanda Daley exploring whether it helps to slap onto the packet the amount of exercise you’d need to take to work off the calories in a given food item. With his eye on the Christmas dinner table, Nadeem Gabbani has been taking a look...