Summary
Most measures of adult health and longevity in the United States lag well behind those of other wealthy countries. Despite widening recognition of this crisis, we have only a limited understanding of its causes and few strategies to reverse them. This proposal, a renewal of the highly successful Network on Life Course Health Dynamics and Disparities in 21st Century America (NLCHDD) funded for the past ten years by the National Institute on Aging, lays out a plan to further develop the scientific groundwork, human capital, and data and analytic infrastructure to answer critical questions about
