How Hormones Shape Sexual Orientation & Behavior | Dr. Marc Breedlove
Huberman Lab
- Published
- March 30, 2026
- Duration
- 2h 11m
- Summary source
- description
- Last updated
- May 1, 2026
Discusses health, life.
Summary
Dr. Marc Breedlove, PhD, is a professor of neuroscience at Michigan State University and an expert on how hormones shape brain development and sexual orientation. We discuss how prenatal testosterone impacts whether someone is romantically attracted to men or women later in life, and what correlates of sexual orientation — such as finger-length ratios — t…
Show notes
Dr. Marc Breedlove, PhD, is a professor of neuroscience at Michigan State University and an expert on how hormones shape brain development and sexual orientation. We discuss how prenatal testosterone impacts whether someone is romantically attracted to men or women later in life, and what correlates of sexual orientation — such as finger-length ratios — tell us about the role of hormones in brain and psychological development. We also discuss why the number of older brothers a male has biases se
Themes
- health
- life