Machine derived contents note: 1 Introduction 1 -- 2 How fat is fat? Measuring and defining overweight -- and obesity 15 -- 3 Where should overweight/obese children be managed? 33 -- 4 How do we approach the overweight/obese child and family? 46 -- 5 The clinical assessment: what are the special points? 58 -- 6 What complications should we look for now and later? 72 -- 7 How does psychology influence management? 83 -- 8 Management: what do we mean by lifestyle changes? 96 -- 9 How can we reduce energy intake? 108 -- 10 How can we increase energy expenditure? 132 -- 11 What else can be done? 153 -- 12 How can we sustain healthy weight management? 161 -- 13 What can we do to prevent childhood overweight and obesity? 168.