In this issue of JAMA, the US Preventive Services Task Force (USPSTF) has updated its recommendations on primary care interventions to support breastfeeding.1 Based on the accompanying evidence review by Patnode and colleagues,2 who evaluated studies conducted in settings classified as having very high human development,1,2 the USPSTF concluded that, based on fair- to good-quality studies, there is adequate evidence to recommend primary care interventions to support breastfeeding (B recommendation).