― What do you think if you see a red traffic light? Stop, danger? Whatever first springs to mind, it’s probably not ‘Go’. And this is why the Traffic Light food labelling system, developed by the Food Standards Agency (FSA), can be such an effective tool in helping us make healthier food choices. ∙ Although a number of major manufacturers and retailers have taken up this scheme, many others haven’t. Instead they use other criteria, which don’t apply to everyone and aren’t as easy to [...].