Instead of calorie counts, researchers say, unhealthy foods should have signs with the equivalent jogging time. For instance, a 20-ounce can of soda is roughly 50 minutes of jogging for a 110-pound teenager.
The study, which took place in West Baltimore, put up three types of signs: One with calorie counts, one with calorie counts as a percentage of recommended intake, and one with the amount of time needed to jog the calories off.
When the signs went up, soda, iced tea, and sports drink sales decreased; water and other non-sugary drinks were bought more often. It was the exercise signs, however, that made a much larger difference in sales.
But why jogging? Researchers said that since many people don't like jogging, consumers may be more averse to purchasing products that require a lot of jogging time. Sara Bleich, who led the study, plans to experiment with basketball and dancing as the activities next.
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