Study reveals how children's weight gain masks dangerous shifts in body composition

European researchers tracking children over time found that BMI alone fails to capture harmful changes in muscle and fat distribution during growth. The finding challenges reliance on traditional weight metrics in pediatric screening and suggests current public health approaches may miss early metabolic warning signs that predict chronic disease risk.

Originaltitel: Association between trajectories of body mass index and changes in fat free mass index and fat mass index in a cohort of European children. The IDEFICS/I.Family studies