Rawpixel.com/Shutterstock June 22, 2017 What’s the best way for children to lose weight? Here’s what the research says Emma Mead, University of Nottingham; Karen Rees, University of Warwick; Lena Al-Khudairy, University of Warwick, and Louisa Ells, Teesside University Two new Cochrane reviews reveal that some interventions to tackle overweight and obesity in children do work, but only in the short term.