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A new genetic test, developed using data from over 5 million people, can predict a child's adult obesity risk with improved accuracy. The polygenic risk score considers genetic variants linked to higher BMI, offering a more effective prediction than current methods, particularly in individuals of European ancestry. While genetics play a role, the test's accuracy is limited in other populations, highlighting the need for more diverse data. Early intervention, combining genetic insights with lifestyle adjustments, is suggested to combat rising global obesity rates.

Prepared by Olivia Bennett and reviewed by editorial team.