[@hubermanlab] How Hormones Shape Sexual Orientation & Behavior | Dr. Marc Breedlove
Link: https://youtu.be/6-mEiwe2NhE
Duration: 131 min
Short Summary
Dr. Mark Breedlove, a Michigan State University neuroscience professor raised in poverty in the Ozarks who rose to become a leading researcher on hormones and behavior, joins Andrew Huberman to discuss evidence that prenatal hormones significantly influence sexual orientation. The episode covers the fraternal birth order effect, digit ratio studies, Simon LeVay's hypothalamic brain studies, and intersex conditions like CAH and AIS as natural experiments, along with animal research demonstrating how early testosterone exposure permanently alters sexual behavior circuits.
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