This groundbreaking work of medical science explores the causes, symptoms, and treatment of spinal irritation and its related condition, posterior spinal anemia. Drawing on his extensive experience as a neurologist and army surgeon, William Alexander Hammond provides a clear and detailed analysis of these complex conditions, offering practical advice and innovative solutions for healthcare professionals and patients alike.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.