James A. Feinstein, MD, MPH/MSPH, associate professor of pediatrics in the Section of General Academic Pediatrics, is co-author of an article published January 4 in Pediatrics that considers drug-drug interaction exposure in pediatric outpatient settings. Using a database of Medicaid beneficiaries, the authors reviewed cases involving more than 780,000 children and found that 21.4% experienced major exposures, putting children at risk for negative health outcomes and adverse drug events.