How slowly is the federal rule about nutritional labeling of menu items at chain restaurants emerging? The process has been so glacial that researchers have already had time to conduct real-world experiments that show most people don’t order or consume less food when calorie counts are posted. Now one new study uncovers what might work: Ask customers if they’d like a smaller portion. We’ll tackle Tulane Prof. Janet Schwartz’s study in a minute, but let’s ...
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