The Action of Light As a Therapeutic Agent

First published in 1910, this groundbreaking work by Leonard Keene Hirshberg explores the therapeutic applications of light in medicine and physiology. Drawing on a wide range of scientific and clinical studies, Hirshberg demonstrates the effectiveness of various forms of light therapy in treating a wide range of conditions, from skin disorders to tuberculosis. This book is an important historical document in the history of medical science, and its insights and recommendations remain relevant to this day.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.
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