Send us Fan Mail When the FDA warning landed in late 2023, probiotic use in high-use NICUs collapsed from 86% to under 7% almost overnight. What happened to NEC? This week Daphna brings Tolia and Patel's new Journal of Perinatology analysis of the Pediatrix Clinical Data Warehouse, a natural experiment across 347 NICUs and more than 10,000 extremely preterm infants. Centers that stopped saw NEC climb from 2.7% to 4.4%. Centers that never used probiotics saw nothing change. Ben and Daphna work...