A study in the U.K. using a simulated work environment found those who took a 15-minute walk before performing tasks ate half as much chocolate as those who stayed at their desks. "We often feel that these snacks give us an energy boost, or help us deal with the stress of our jobs, including boredom," said the lead researcher. "This study shows that by taking a short walk, they are able to regulate their intake by half."

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