Health care reaches more children under age three in the United States than any other family-facing system and represents the most common entry point for developmental assessment of and services for children. In this article, Adam Schickedanz and Neal Halfon examine how well the child health care system promotes healthy child development early in…

It might seem strange to ask whether increasing access to medical care can improve children's health. Yet Lindsey Leininger and Helen Levy begin by pointing out that access to care plays a smaller role than we might think, and that many other factors, such as those discussed elsewhere in this issue, strongly influence children's health.…