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Professor, College of Veterinary Medicine; Director, Center for Environmental Health Sciences, Mississippi State University

Research – Mechanism of action and biotransformation of neurotoxicants; neurochemical and behavioral effects of anticholinesterase insecticides; metabolism of insecticides and other xenobiotics; pesticide exposure assessment; developmental neurotoxicity; assessment of the effects of mixtures of toxicants, development of antidotes to nerve agents

Teaching – Environmental Toxicology; Mechanisms of Toxicant Action; Current Topics and Controversies in Toxicology; Risk Assessment of Pesticides, Research Ethics

Primary Area of Expertise
Biochemical Toxicology
Environmental Toxicology


  • –present
    Professor Department of Environmental Health Sciences, Mississippi State University


Diplomate American Board of Toxicology; Fellow Academy of Toxicological Sciences