Rebecca Hardy: For many of us, the food-mood link feels very real – but some say it's just in the mind. Still, surely it can't hurt to ditch the trans fat-laden junk food and sugar from our diets
Amy Fleming's tasting notes: The strong savoury flavour that makes everything from spag bol to Marmite so hard to resist may serve a vital evolutionary purpose. We could even use it to fight malnutrition. Pass the parmesan
A leading nutritionist has said what's inside school children's lunchboxes isn't much healthier than a canteen meal - what's in your lunch box? Share your picture to create a UK map