PART 1 . . Environmental Research Foundation . . P.O. Box 5036, Annapolis, MD 21403 . .
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To subscribe, E-mail the words . . Hormones are chemical messengers that travel in the blood stream, turning on and off critical bodily functions to maintain health and well being. Hormones control growth, development, and behavior in birds, fish, reptiles, amphibians, and mammals, including humans. Taken together, the tissues and organs that produce, and respond to, hormones are called the endocrine system. The 1991 statement focused on the ability of industrial chemicals to interfere with sexual development and behavior in wildlife and humans.