A Massachusetts law requires chain restaurants with 20 or more locations to post calorie counts, but it doesn't apply to independent eateries and smaller chains that often serve dishes with much higher calorie counts than typical quickservice chain meals, according to Tufts University researchers. Researchers analyzed 157 dishes from popular eateries and found meals contained an average of 1,327 calories, about two-thirds of the recommended daily total; the study also found that calorie counts for the same dish can vary widely from one restaurant to another.

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