Dr. Herscu is credited with revitalizing the homeopathic approach to the treatment of children, making the treatment much more effective. He is also credited with the new approach of writing materia medica from the writer's own experience.

Paul has had numerous articles published in all of the major homeopathic journals. He helped to revitalize and recreate the Homeopathic Academy of Naturopathic Physicians in the late 80's.