Send a text Ben and Daphna review a randomized controlled trial published in The Journal of Pediatrics by Dr. Ariel Salas and colleagues at UAB. The study investigates whether early high-dose vitamin D supplementation (800 IU/day starting day 1) in extremely preterm infants reduces the incidence of Bronchopulmonary Dysplasia (BPD) compared to standard care (starting day 14). The hosts discuss the physiologic rationale linking vitamin D to lung development, the use of impulse oscillometry to m...