Published in the early eighteenth century, Herman Boerhaave's Institutiones Medicae was the most influential medical textbook of its time. Boerhaave was a brilliant physician and teacher, and his book provided a comprehensive overview of the medical knowledge of his day. Although much has changed in medicine since Boerhaave's time, his insights into the nature of disease and the importance of careful observation and diagnosis remain just as relevant today. 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.