You had an awful day at work — grumpy boss, constant interruptions — and now you’re sitting in front of the TV, bowl of ice cream in hand, bag of chips at your side. It’s not hard to spot this as a classic example of stress eating — using food as a coping mechanism when life gets rough. Indeed, there’s a reason we call it “comfort food,” says Viviane Fornasaro-Donahue, a registered dietitian with Harvard-affiliated Massachusetts General Hospital. But there’s also more to it than meets the eye.