Interview with Valérie Lévy-Jurin, President of the WHO French Healthy Cities Network and Deputy Mayor for Health in Nancy. Seventy French cities are part of the WHO French Healthy Cities Network. This network focuses primarily on the major determinants of health—urban planning, housing, and transportation—to improve the quality of life and well-being of the population, with a view to a comprehensive approach to health. Valérie Lévy-Jurin, president of this network, emphasizes that health must be integrated into all city policies.