Among Japan’s 47 prefectures, Nagano has the longest average life expectancy for both men and women. It leads Japan not only in terms of average life expectancy, but has also garnered attention for “healthy life expectancy,” meaning the number of years a person can live a normal life without nursing care or, worse, becoming bedridden. This is a crucial concept for promoting wellbeing among the elderly. Nagano ranks among the best in terms of healthy life expectancy in Japan. While Japan tops the world in longevity, Nagano’s citizens enjoy the longest and the healthiest life span in this country. What are Nagano’s secrets?