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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How Dopamine & Serotonin Shape Decisions, Motivation & Learning | Dr. Read Montague

How Dopamine & Serotonin Shape Decisions, Motivation & Learning | Dr. Read Montague

Dr. Read Montague, PhD, is a professor and director of the Center for Human Neuroscience Research at Virginia Tech’s Fralin Biomedical Research Institute and an expert in how dopamine and serotonin sh...

2 Feb 2h 41min

Essentials: Using Play to Rewire & Improve Your Brain

Essentials: Using Play to Rewire & Improve Your Brain

In this Huberman Lab Essentials episode, I discuss why play is a powerful yet often overlooked tool for shaping the brain across the entire lifespan, not just during childhood. I explain how play enga...

29 Jan 35min

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Science & Tools of Learning & Memory | Dr. David Eagleman

Dr. David Eagleman, PhD, is a neuroscientist, bestselling author and professor at Stanford University. We discuss how to leverage the science of neuroplasticity to learn new skills and information and...

26 Jan 2h 24min

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Essentials: Therapy, Treating Trauma & Other Life Challenges | Dr. Paul Conti

In this Huberman Lab Essentials episode, my guest is Dr. Paul Conti, MD, a psychiatrist and expert in treating trauma and psychiatric illness. We explain what trauma is and how it affects the mind a...

22 Jan 38min

Build Muscle & Strength & Forge Your Life Path | Dorian Yates

Build Muscle & Strength & Forge Your Life Path | Dorian Yates

Dorian Yates is a former professional bodybuilder, six-time Mr. Olympia winner and a pioneer of high-intensity, low-volume training for building muscle size and strength. He explains how anyone can va...

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Essentials: Tools to Boost Attention & Memory | Dr. Wendy Suzuki

Essentials: Tools to Boost Attention & Memory | Dr. Wendy Suzuki

In this Huberman Lab Essentials episode, my guest is Dr. Wendy Suzuki, PhD, a professor of neural science and psychology at New York University. We discuss simple, daily habits to improve focus, memo...

15 Jan 41min

How to Overcome Addiction to Substances or Behaviors | Dr. Keith Humphreys

How to Overcome Addiction to Substances or Behaviors | Dr. Keith Humphreys

Dr. Keith Humphreys is a professor of psychiatry and behavioral sciences at Stanford School of Medicine and a leading expert on treating addictions, drug laws and policy. We discuss all the major addi...

12 Jan 3h 27min

Essentials: Optimizing Workspace for Productivity, Focus & Creativity

Essentials: Optimizing Workspace for Productivity, Focus & Creativity

In this Huberman Lab Essentials episode, I discuss how to optimize your workspace to maximize productivity, focus and creativity. I explain how key environmental factors such as lighting, the physica...

8 Jan 34min

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