Overweight and obesity Fact sheets and research news about overweight and obesity. Les på norsk: Overvekt og fedme Articles about obesity Public Health Report Updated 03.11.2017 Overweight and obesity in Norway Approximately 1 in 4 middle-aged men and 1 in 5 women have obesity with a BMI of 30 kg / m2 or higher in Norway. Among children, the proportion with overweight and obesity appears to have stabilised. Article Updated 18.04.2016 Body mass index, weight and height in children and adolescents WHO has developed growth curves for children aged 0-5 years. IOTF curves are used to assess body mass index, weight and height in children and adolescents between 2 and 18 years. Show more News and research findings Research findings Published 02.05.2018 NIPH to lead European adolescent obesity project An international research project has begun to investigate how society can help adolescents to choose a healthy diet and an active lifestyle. Research findings Published 22.06.2016 Proportion of overweight and obese children stable in Norway New data from the Child Growth Study in Norway show that the proportion of children with overweight and obesity seems to have stabilised over the last years. Research findings Published 12.05.2016 Excess abdominal fat is associated with heart attack A large waist-hip ratio is a more important risk factor for heart attacks than weight, especially for younger to middle-aged women. Research findings Updated 19.05.2016 More obesity among the less educated in rich countries In rich countries, obesity is more common among the lower educated, whilst in poor countries, obesity is more common among the higher educated. Research findings Updated 18.04.2016 Childhood obesity unevenly distributed in Norway Overweight, obesity and abdominal obesity are distributed unevenly among children in Norway. Maternal education level, parental marital status and where the child lives play a role. Research findings Updated 18.04.2016 More overweight children in families with divorced parents Among children with divorced parents, there is a 50 per cent larger proportion with overweight or obesity compared with children with married parents, according to figures from the Child Growth Study. Show more Reports Systematic review Published 23.05.2018 Limited weight change in pregnant women with obesity: a systematic review This report is a systematic review of the effects of lifestyle interventions aiming for low weight gain (< 5 kg) or weight loss for pregnant women with pre-pregnant BMI ≥ 30. Systematic review Published 16.12.2016 Effectiveness of interventions for overweight or obesity in children and adolescents We have assessed effectiveness of interventions to reduce body mass index (BMI) and/or body mass index standard deviation score (BMI z-score) in children and adolescents with overweight or obesity. Health technology assessment Updated 05.12.2016 Long term effects of bariatric surgery We have summarized research of long-term effects after bariatric surgery compared with non-surgical treatment in persons with BMI ≥ 30 kg/m 2. Show more Related topics: Theme Centre for Disease Burden The centre analyses data for Norway as part of the international burden of disease project.