Neglected tropical diseases (NTDs) are a group of bacterial and parasitic diseases commonly found in various nations in Africa, Asia and Latin America. NTDs are caused by different kinds of pathogens and transmitted by vectors such as mosquitoes and black flies. Some of the common NTDs are schistosomiasis, leishmaniasis, lymphatic filariasis, mycetoma, onchocerciasis, trachoma, etc. There are several factors such as the lack of accessibility to clean water and hygienic sanitary conditions that contribute to the spread of NTDs. These diseases mainly affect the poor and are a source of tremendous suffering because of their disfiguring, debilitating, and sometimes deadly impact. NTDs also impair physical and cognitive development. This book investigates the neglected tropical diseases and their impact on global health in detail. Its aim is to present researches that have transformed the study of these diseases. The book will provide comprehensive knowledge to the readers.