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Wearable tech, designed to aid weight loss, may actually be counterproductive suggests a new study. Fitness trackers monitor characteristics like heart rate, calories and steps taken. The University of Pittsburgh followed 500 people who were trying to lose weight over a two year period, and those who didn’t wear any fitness trackers actually lost more weight. Matt Roberts, a personal trainer in London, believes fitness trackers can be used as “an excuse to do nothing or to eat more.” However, he stresses that wearable tech is relatively new and still young in its development. This clip is originally from 5 live Drive on 21 September 2016.