The ninth edition of General Organic and Biochemistry is designed to help undergraduate health-related majors and students of all other majors understand key concepts and appreciate the significant connections between chemistry health disease and the treatment of disease. This text continues to strike a balance between theoretical and practical chemistry while emphasizing material that is unique to health-related studies. The text has been written at a level intended for students whose professional goals do not include a mastery of chemistry but for whom an understanding of the principles and practice of chemistry is a necessity. Designed for the one- or two-semester course this text has an easy-to-follow problem-solving pedagogy vivid illustrations and engaging applications.