The internal organs of vertebrate species are controlled by the endocrine system, an integrated chemical signaling network. This finely tuned communication system relies on hormones (chemical signals) to maintain complex information flow required for general health. Sometimes environmental elements can alter this system. Often referred to as “endocrine disrupting chemicals,” these false signals mimic or block natural hormones producing unintended effects that threaten the well-being of humans and ecosystems. Species as diverse as snails, turtles, fish, frogs, sheep, polar bears, and humans experience reproductive and developmental effects associated with endocrine disrupting chemicals.

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Research on the environment and hormones is highly interdisciplinary. CBR with its partners is an international hub for environmental signaling laboratory, field and modeling studies, and a communicator of reliable information to public and professional audiences. For example, since 1990, the Bioenvironmental Hazards project has focused on environmental signaling research with a particular emphasis on real-time biosensor technologies and biomarkers of exposure. The Medicinal Foods project is developing practical methods for maximizing health benefits of long-term consumption of soy and other plant foods. Since 1999, the CBR has hosted the annual Symposium on the Environment and Hormones (e.hormone) to showcase the latest research in this field. This international event is the only conference where a diverse group of scientists address these complex interdisciplinary issues. The CBR has expanded this group by hosting innovative signaling workshops and instituting formal and informal mentorships for junior investigators. A website connecting people to authoritative and reliable research reflects the center’s accessible approach to the science. This research group is known as The Environmental Signaling Network.