Jennie Jacobs Kronenfeld is a professor in the Sociology Program in the School of Social and Family Dynamics, Arizona State University. Her research areas are medical sociology and aging and the life course with a special focus on health policy, health care utilization, and health behavior. She has recently published Medicare by Greenwood Press (2011) and serves as the editor of the research annual Research in the Sociology of Health and Health Care published each year by Emerald Press. She is co-editor of Health and Associate Editor In Chief of American Journal of Health Promotion. Her current research interests in addition to health policy include research on gender and health, and research on aspects of obesity as linked to social factors.