Fitness apps make it easy to track the number of calories in a meal. d3sign/Moment via Getty Images
Knowing the calorie content of foods does not help people understand which foods are healthier, according to a study I recently co-authored in the Journal of Retailing. When study participants considered calorie information, they rated unhealthy food as less unhealthy and healthy food as less healthy. They were also less sure in their judgments.
In other words, calorie labeling didn’t help participants judge foods more accurately. It made them second-guess themselves.
Across nine experiments with over 2,000 participants, my colleague and I tested how people use calorie information to evaluate food. For example, participants viewed food items that are generally deemed healthier, such as a salad, or ones that tend to be less healthy, such as a cheeseburger, and were asked to rate how healthy each item was. When people did not consider calorie information, participants correctly saw a…
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Author : USA365
Publish date : 2025-05-12 18:53:00
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