How Hormones Shape Sexual Orientation & Behavior | Dr. Marc Breedlove
Huberman Lab30 Mars

How Hormones Shape Sexual Orientation & Behavior | Dr. Marc Breedlove

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 sexual orientation. Throughout, we explain how nature and nurture interact to shape male-female differences, behavior, and romantic partner choice. Thank you to our sponsors AG1: https://drinkag1.com/huberman David: https://davidprotein.com/huberman Rorra: https://rorra.com/huberman Function: https://functionhealth.com/huberman Timestamps (00:00:00) Marc Breedlove (00:03:24) Hormones & Sexual Orientation (00:07:37) Prenatal Testosterone, Finger Ratio, Men & Women Differences (00:14:08) Sponsors: David & Rorra (00:16:46) Finger Ratios, Prenatal Testosterone, Gay & Straight Men/Women (00:23:57) Mice & Sex Differences, Androgens (00:26:54) Brain Differences & Sexual Orientation (00:33:52) Group vs Individual Differences, Height Analogy; Bisexuality (00:36:57) Brain Development, Hormones & Behavior; Brain Plasticity (00:42:52) Sponsor: AG1 (00:44:16) Sexual Behavior, Libido (00:51:37) Gay Rams, Brain Differences (00:58:00) Aversion Pathway, Men vs Women, Same-Sex Partner (01:06:58) Congenital Adrenal Hyperplasia (CAH), Intersex Phenotypes (01:13:55) Androgen Insensitivity Syndrome (AIS) (01:18:14) Sponsor: Function (01:19:25) Gay Men & Older Brothers, Maternal Immunization Hypothesis (01:32:55) CAH Carriers, Advantage, Stress Tolerance (01:35:41) Birds & Sexual Differentiation, Gynandromorphs (01:41:32) Anabolic Steroids, Hypersexuality; Adult Brain Plasticity (01:45:31) Age & Testosterone Decline; Sexual Orientation & Activities (01:53:14) Marc's Academic Journey, Ozarks, Luck (02:02:35) Exploration; Kids & Sex Differences (02:08:47) Zero-Cost Support, YouTube, Spotify & Apple Follow, Reviews & Feedback, Sponsors, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

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Essentials: The Neuroscience of Speech, Language & Music | Dr. Erich Jarvis

Essentials: The Neuroscience of Speech, Language & Music | Dr. Erich Jarvis

In this Huberman Lab Essentials episode, my guest is Dr. Erich Jarvis, PhD, a professor and Head of the Laboratory of Neurogenetics of Language at Rockefeller University and an investigator at the How...

23 Apr 39min

How to Better Regulate Your Emotions | Dr. Marc Brackett

How to Better Regulate Your Emotions | Dr. Marc Brackett

Dr. Marc Brackett, PhD, is founding director of the Yale Center for Emotional Intelligence and a professor in the Child Study Center at Yale University. We discuss the science of emotion regulation an...

20 Apr 2h 27min

Essentials: Understand & Improve Memory Using Science-Based Tools

Essentials: Understand & Improve Memory Using Science-Based Tools

In this Huberman Lab Essentials episode, I explain how memories are formed and how key neurochemicals, such as adrenaline, can be leveraged to enhance memory formation. I also share science-based prot...

16 Apr 40min

How Women Can Improve Their Fertility & Hormone Health | Dr. Natalie Crawford

How Women Can Improve Their Fertility & Hormone Health | Dr. Natalie Crawford

Dr. Natalie Crawford, MD, is a double board-certified OB-GYN and reproductive endocrinologist. We discuss how to improve hormone health at any age and the importance of fertility markers not just for ...

13 Apr 2h 36min

Essentials: The Biology of Aggression, Mating & Arousal | Dr. David Anderson

Essentials: The Biology of Aggression, Mating & Arousal | Dr. David Anderson

In this Huberman Lab Essentials episode, my guest is Dr. David Anderson, PhD, a professor of biology at the California Institute of Technology (Caltech) and an investigator at the Howard Hughes Medica...

9 Apr 38min

Cultivating Awe & Emotional Connection in Daily Life | Dr. Dacher Keltner

Cultivating Awe & Emotional Connection in Daily Life | Dr. Dacher Keltner

Dr. Dacher Keltner, PhD, is a professor of psychology at the University of California, Berkeley, and a leading expert on the science of emotions and human connection. We discuss the science of awe—wha...

6 Apr 2h 20min

Essentials: How to Build Strength, Muscle Size & Endurance | Dr. Andy Galpin

Essentials: How to Build Strength, Muscle Size & Endurance | Dr. Andy Galpin

In this Huberman Lab Essentials episode, my guest is Dr. Andy Galpin, PhD, Executive Director of the Human Performance Center at Parker University and an expert in building strength and muscle size (h...

2 Apr 39min

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