The Structure of Healthy Life Determinants Lessons from the Japanese Aging Cohort Studies

Tanji Hoshi, M.D., Ph.D. , is a professor emeritus at the Graduate School of Urban System Science, Tokyo Metropolitan University, Japan. He is highly active in research in the areas of public health and in establishing diverse research targets, i.e., medicine, diet, housing, dental science, and pet animals as they relate to human health. His main published work is Causal relationships between survival rates, dietary and lifestyle habits, socioeconomic status and physical, mental and social health in elderly urban dwellers in Japan: A chronological study (DOI: 10.4236/health.2013.58177).

Sayuri Kodama, RD, Ph.D., MMS , is a lecturer at the Department of Food and Nutrition Science, Sagami Women's Junior College, Japan. She is a registered dietitian, and she is also very much involved in research in public health nutrition areas, setting research targets for diet quality, and related factors. Her main published workis Dietary quality and its structural relationships among equivalent income, emotional well-being, and a five-year subjective health in Japanese middle-aged urban dwellers (DOI: 10.1186/s13690-015-0081-0. eCollection 2015).