Newswise — Although hormones spark many of the heady feelings people experience around Valentine’s Day, few fully understand how the endocrine system’s inner workings influence romantic behavior.

The Endocrine Society will be holding a 45-minute webinar exclusively for journalists to discuss the key hormones that play a role in love and lust, including: • Prolactin• Oxytocin• Estrogen• Testosterone

During the webinar, reporters will have an opportunity to pose questions to reproductive health experts Dr. Nanette Santoro and Dr. Bradley Anawalt.

The webinar will address the following questions:

• How does the hormone oxytocin encourage couples to bond?• Is estrogen or testosterone the real women’s sex hormone?• How are “female” sex hormones like estrogen and prolactin involved in men’s sex lives?• Why do high levels of prolactin kill the libido? Who:Endocrine Society members Bradley Anawalt, MD, Chief of Medicine at the University of Washington Medical Center, and Nanette Santoro, MD, Professor and E. Stewart Taylor Chair of Obstetrics and Gynecology at the University of Colorado at Denver.

Date: Friday, February 7, 2014 11 a.m. – 11:45 a.m. (EST)

Media are invited to attend this event at no cost. Space is limited. Register by sending an email to Registered reporters will receive log-in information for the webinar.

# # #

Founded in 1916, the Endocrine Society is the world’s oldest, largest and most active organization devoted to research on hormones and the clinical practice of endocrinology. Today, the Endocrine Society’s membership consists of over 17,000 scientists, physicians, educators, nurses and students in more than 100 countries. Society members represent all basic, applied and clinical interests in endocrinology. The Endocrine Society is based in Chevy Chase, Maryland. To learn more about the Society and the field of endocrinology, visit our site at Follow us on Twitter at!/EndoMedia.