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The search for effective strategies for treatment of childhood obesity is challenging. In two studies, investigators report modest success using technology-driven interventions.
Researchers randomized families of 70 children (age range, 4–7 years) who had body-mass indexes >75th percentile to two groups: One group had devices installed at their homes that recorded and blocked TV and computer use after a specified amount of time, which was aimed at reducing viewing by 50%; the other group received newsletters that featured advice on reducing children’s TV and computer use and was allowed unlimited viewing. At the end of the 2-year study, mean weekly viewing time had declined by 17 hours in the intervention group and by 5 hours in the control …