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World Obesity Day 2026 – Beyond blame, beyond diets: building the intelligence to nourish communities. 

Obesity is now classified as a chronic, relapsing disease. According to the World Health Organization, 1 in 8 people worldwide live with it, adult obesity has more than doubled since 1990, and adolescent obesity has quadrupled. In 2021 alone, higher-than-optimal BMI contributed to 3.7 million deaths from noncommunicable diseases. If current trends continue, half the global population will be overweight or obese by 2035. Among children and adolescents, the consequences extend beyond physical health, affecting school performance, mental wellbeing, and quality of life; with childhood obesity strongly predicting adult obesity and its long-term health risks.

These numbers demand systemic action, not individual blame.

As the WHO emphasises, obesity arises from complex interactions between genetics, neurobiology, eating behaviours, market forces, and the broader environment. Today’s food systems and environments often make healthy choices harder, not easier. One-size-fits-all policies, from simplistic nutritional labelling to blanket nutrient taxes, have proven insufficient against this multifactorial challenge. They may even risk stigmatising the very populations they aim to help, particularly those facing socioeconomic constraints that limit their food choices.

A smarter, more holistic approach

What is needed is an approach that empowers individuals and communities rather than penalising them. Effective prevention and management require action across multiple dimensions: building nutritional knowledge so that people can make truly informed choices grounded in science rather than fads; recognising the emotional dimensions of eating behaviour, because how we feel profoundly shapes how we eat; strengthening social and community environments around food, since research consistently shows that communal eating and supportive networks foster healthier habits; and developing adaptive strategies that account for individual metabolic variability, cultural diversity, and evolving food landscapes.

Prevention starts early, during pregnancy, infancy, and childhood, as the WHO rightly highlights. But it must be sustained across the life course through supportive communities where healthy choices are accessible and affordable. This means designing policies that integrate nutrition with mental wellbeing, consumer empowerment, and science-based innovation. It means moving from reactive healthcare models toward anticipatory frameworks that build resilience before disease develops.

From awareness to intelligence

Europe has the opportunity to lead this shift. Rather than relying on punitive or paternalistic measures, EU policy can champion evidence-driven approaches that respect individual freedom while creating environments where nourishment, not just calorie counting, becomes the standard. This requires collaboration across governments, the food industry, healthcare systems, and civil society to ensure that no community is left behind.

If food is a human right, then the knowledge to nourish oneself and one’s family should be too. On this World Obesity Day, we have 8 billion reasons to move beyond outdated frameworks and invest in people-centred, intelligence-driven approaches to health. Because changing systems means changing lives, and every person deserves the tools to thrive.

Dr. Anayanci Masís-Vargas is a neuroscientist, physiologist, and nutritionist, founder of NutriXQ, and advocate for evidence-based nutrition policy. She is also a member of the WHO FIDES Network.