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Genetic test predicts obesity in childhood

What if we could prevent people from developing obesity? The World Obesity Federation expects more than half the global population to develop overweight or obesity by 2035. However, treatment strategies such as lifestyle change, surgery and medications are not universally available or effective.

By drawing on genetic data from over five million people, an international team of researchers has created a genetic test called a (PGS) that predicts adulthood obesity already in early childhood. This finding could help to identify children and adolescents at higher genetic risk of developing obesity, who could benefit from targeted preventative strategies, such as lifestyle interventions, at a younger age.

“What makes the score so powerful is its ability to predict, before the age of five, whether a child is likely to develop obesity in adulthood, well before other risk factors start to shape their weight later in childhood. Intervening at this point can have a huge impact,” says Assistant Professor Roelof Smit from the NNF Center for Basic Metabolic Research (CBMR) at the University of Copenhagen and lead author of the research published in Nature Medicine.

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