Geology, one of the basic natural sciences, is proving to be of outstanding importance in solving problems relating to:agricultureexploitation of the Earth's mineral resources environmental issuessoil preservationwater energy and other resourcesprotection against natural disasters (landslides, floods, volcanic eruptions and earthquakes) as well as human health. The main objective of the book Medical Geology: Effects of Geological Environments on Human Health is to show how the geological environment affects human health and to explore preventative methods for improvement.This monograph consists of the following five segments:IntroductionGeological and other factors and their influence on the human health Subject, tasks and methods of geomedical disciplineRegional medical geologyApplied medical geology The topics covered in this book will be of interest to a wide circle of readers, including geologists, doctors, biologists, ecologists, planners and many others who are dedicated to the quality and protection of human health.