Chapter

Sex Differences Suggest Homosexuality Is an Endocrine Phenomenon

Jacques Balthazart

in The Biology of Homosexuality

Published in print December 2011 | ISBN: 9780199838820
Published online January 2012 | e-ISBN: 9780199919512 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199838820.003.0042
Sex Differences Suggest Homosexuality Is an Endocrine Phenomenon

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Two major types of biological nonexclusive explanations have been advanced to explain homosexual sexual behavior. Either it is controlled by hormonal factors that are known to play a role in the control of animal behavior and sexual orientation, or it depends on genetic factors that work independently of hormones or by altering their production or action. This chapter considers arguments that suggest the existence of hormonal control mechanisms of homosexuality. The studies reviewed show that homosexuality in men and women is significantly associated with a range of physical, functional, and behavioral characteristics that are modified from what is normally seen in heterosexual individuals. These characteristics are not changed in all studies, however, and are not always observed in both sexes.

Keywords: homosexuality; sexual behavior; hormonal factors; sexual orientation; hormonal control

Chapter.  11415 words.  Illustrated.

Subjects: Neuroscience

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