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

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 Your Thoughts Are Built & How You Can Shape Them | Dr. Jennifer Groh

How Your Thoughts Are Built & How You Can Shape Them | Dr. Jennifer Groh

My guest is Dr. Jennifer Groh, PhD, professor of psychology and neuroscience at Duke University. She explains how our brain encodes sights and sounds and integrates them so we can navigate and underst...

10 Marras 20252h 16min

Essentials: Erasing Fears & Traumas Using Modern Neuroscience

Essentials: Erasing Fears & Traumas Using Modern Neuroscience

In this Huberman Lab Essentials episode, I explore the neuroscience of fear and trauma and how to effectively process and eliminate traumatic responses. I explain why successful fear treatment requir...

6 Marras 202540min

Using Existing Drugs in New Ways to Treat & Cure Diseases of Brain & Body | Dr. David Fajgenbaum

Using Existing Drugs in New Ways to Treat & Cure Diseases of Brain & Body | Dr. David Fajgenbaum

My guest is Dr. David Fajgenbaum, MD, professor of translational medicine and human genetics at the University of Pennsylvania. He explains how, unbeknownst to most doctors, many approved medications ...

3 Marras 20251h 59min

Essentials: The Biology of Slowing & Reversing Aging | Dr. David Sinclair

Essentials: The Biology of Slowing & Reversing Aging | Dr. David Sinclair

In this Huberman Lab Essentials episode, my guest is Dr. David Sinclair, PhD, a professor of genetics at Harvard Medical School and a leading expert on the biology of aging. We discuss the cellular a...

30 Loka 202539min

Improve Your Lymphatic System for Overall Health & Appearance

Improve Your Lymphatic System for Overall Health & Appearance

Here I explain the lymphatic system, a crucial bodily network for overall health and appearance. I explain how the lymphatic system works to remove cellular waste and fluid from your organs and combat...

27 Loka 20251h 40min

Essentials: The Science of Gratitude & How to Build a Gratitude Practice

Essentials: The Science of Gratitude & How to Build a Gratitude Practice

In this Huberman Lab Essentials episode, I explore the science of gratitude and how to develop an effective, research-supported gratitude practice. I explain why common gratitude practices (like simp...

23 Loka 202539min

How to Overcome Inner Resistance | Steven Pressfield

How to Overcome Inner Resistance | Steven Pressfield

My guest is Steven Pressfield, author of The War of Art and expert in how to overcome the inner force of "resistance"—the self-sabotaging tendency to procrastinate on your life's most important work t...

20 Loka 20252h 15min

Essentials: How Your Brain Functions & Interprets the World | Dr. David Berson

Essentials: How Your Brain Functions & Interprets the World | Dr. David Berson

In this Huberman Lab Essentials episode, my guest is Dr. David Berson, PhD, a professor of neuroscience at Brown University and an expert on the visual system and circadian biology. We explore how th...

16 Loka 202540min

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