The text is typically organized into chapters that transition from general health concepts to specific body systems: Humanity as a Biopsychosocial Unit:
This paper provides a comprehensive review of the textbook Ciencias de la Salud by Bertha Higashida Hirose. As a foundational text in Latin American medical education, the work is distinguished by its integration of biological sciences with public health and environmental perspectives. This analysis explores the book’s pedagogical structure, its evolution through multiple editions, and a detailed breakdown of its content. Special emphasis is placed on or similar chapters dealing with environmental health, illustrating the author's pioneering approach to the relationship between ecological balance and human disease prevention.