Should your supermarket receipt count calories?

A new proposal says the ‘traffic light’ labels used on food packaging ought to be applied to your whole shop to help people eat betterFancy your supermarket receipt assessing the healthiness of your trolley? Well, a new proposal says the “traffic lights” system – widely adopted on food and drink packaging since 2013 – should be migrated from individual items to entire receipts. Forget the problem of making it through checkout without impulse-buying three bags