In the first decade of the 21st century, the conceptualization of health as an ability opened the door for self-assessments to become the main indicators to judge the performance of efforts aimed at improving human health. It also created the opportunity for every person to feel healthy, even in the presence of multiple chronic diseases or a terminal condition, and for the re-examination of determinants of health . Since the late 1970s, the federal Healthy People Program has been a visible component of the United States’ approach to improving population health. Progress has been limited to many objectives, leading to …