Overview
- The UBA study, published May 26, 2026, analyzed nearly one million weight and height records from more than 7,000 public health facilities to map malnutrition in children under five.
- Researchers identified concentrated hotspots of simultaneous overweight and low height for age in southwest Patagonia and in several departments of the Centre and North regions, with strong contrasts between neighboring districts.
- The team used joint spatial statistical models to combine excess weight and low stature in a single analysis so shared territorial drivers could be detected across more than 500 jurisdictions.
- Investigators link the pattern to structural factors such as economic inequality, high food prices and limited access to affordable fresh foods that push families toward calorie-dense ultraprocessed products.
- Authors say the findings apply to children served by the public health system, call for integrated measures like better school and community meals, breastfeeding support and stricter ultraprocessed food policies, and plan follow-up work to identify local causes and target interventions.