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Environmental Toxicology - Introduction and History

Environmental Toxicology Introduction and History Course Objectives •           Elucidate basic principles of toxicology as they apply to both ecological and physiological systems •           Evaluate sources, effects, and fates of toxins in individual components of ecosystems •           Promote understanding of how toxic effects are integrated within ecosystems and on a global scale •           Increase knowledge of current issues in environmental toxicology Why teach Environmental Toxicology? •           A relatively new science that grew out of two phenomena 1.        Dramatic presence of human species on the landscape 2.        Awareness of environmental degradation...

Introduction to Toxicology - Toxicology

Introduction to Toxicology Toxicology The study of the adverse effects of chemicals on living organisms and the underlying mechanisms Like medicine, toxicology is both a science and an art. The science of toxicology is defined as the observational and data-gathering phase, whereas the art of toxicology consists of the utilization of the data to predict outcomes of exposure in human and animal population. History of Toxicology •           Antiquity: Ebers papyrus (1500 B.C.), Ben Chao Gong Mu (Ming dynasty) •           Middle ages: Renaissance - Poisons and Their Antidotes (1198), arsenic-containing products •           Age of enlightenment: Parcelsus (1493-1548) “All substances are poisons; there is none   which is not a poison. The right dose differentiates a poison from a remedy.” •      ...