James A Carr Author & Editor

Dr. David Norris is Professor Emeritus at the University of Colorado. He obtained his BS from the Baldwin-Wallace University and his PhD from the University of Washington. His broad research areas include environmental endocrinology and forensic botany. In the area of environmental endocrinology, his studies have focused on the neuroendocrine control of thyroid, adrenal, and reproductive functions with special interest in the role of environmental factors that alter the activities of these neuroendocrine systems. In the area of forensic botany, he specializes in the identification of food plants in stomachs of modern humans with respect to determining time of death. Dr. James A. Carr is a Professor of Biology in the Department of Biological Sciences at Texas Tech University. His research has focused on various aspects of environmental endocrinology and neuroendocrinology for 25 years including the effects of opioid peptides on brainstem, cardiovascular areas and pituitary hormone secretion, the impact of environmental pollutants on the thyroid and reproductive axes in fishes and amphibians, and the impact of stress hormones on subcortical visual pathways involved in feeding.