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About the CO-CREATE study


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CO-CREATE aims to prevent overweight and obesity in adolescents by providing knowledge and infrastructure on policies to support making the healthiest choices the preferred ones. Adolescents are included in all aspects of the project, rooting the perspective of the key stakeholders themselves into project activities.


The CO-CREATE study aims to prevent overweight and obesity in adolescents by providing knowledge and infrastructure on policies to support making the healthiest choices the preferred ones.


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The backdrop

Childhood obesity is on the rise across Europe. By 2025, overweight and obesity is expected to affect one in every five children, to more than 16 million children across Europe. Being overweight or obese in youth, and in particular in adolescence (13-18 year age group), is a strong predictor of remaining so into adulthood, with an increased risk for a wide range of diseases as a consequence, including type-2 diabetes, hypertension, heart disease, psychosocial morbidity and certain types of cancers.

Individual level treatment of overweight and obesity, such as bariatric surgery and weight loss programmes, have proven to be either hard to tolerate or ineffective in sustaining weight loss in a large proportion of people undertaking such efforts. Prevention should therefore be the prioritised strategy to support the European population in maintaining a healthy weight over the long term, including a strong focus on the adolescent age group.

Changing the context

What we eat and how much we move are direct results of the many individual choices we make each day. Obesity prevention efforts have often focused on trying to influence such individual choices as if they were conscious and rational. However, these choices are strongly influenced by the social, physical and economic environments in which we live. This is especially relevant for children and adolescents, who have lower levels of behavioural autonomy than adults do.

In our present-day environment of ever-presence and easy access to cheap, palatable high-calorie foods appealing to preferences for fat, sugar and salt, our sedentary work and leisure environments, as well as a lack of opportunities for daily physical activity, unhealthy choices are often the easiest, default choices. A large and growing body of research shows that people’s nutrition and physical activity behaviours are influenced by complex sets of contextual elements, including unhealthy and unsupportive physical, social, cultural, economic, and political environments.

To be successful in reducing the prevalence of overweight and obesity, we need to move towards comprehensive policies addressing the food and physical activity systems and environments surrounding us, reshaping the context to make healthy choices the easiest and most widely preferred.

Overall aims

The overall aim of CO-CREATE is to reduce the prevalence of obesity among adolescents in Europe through policy actions to promote a healthier food and physical activity environment.

CO-CREATE will contribute to the evidence and infrastructure for local and national policy changes to make healthy choices the easiest, most appealing, and preferred choices for adolescents across Europe, thus reducing the burden of obesity and related non-communicable diseases, both now and in the future.


This project has received funding from the European Union's Horizon 2020 research and innovation programme (Work Programme 2016-2017: Food security, sustainable agriculture and forestry, marine and maritime and inland water research and the bioeconomy) under grant agreement No 774210