James A CarrDr. 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 opiid 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. Read More Read Less