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

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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Health Effects & Risks of Kratom, Opioids & Other Natural Occurring Medicines | Dr. Chris McCurdy

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My guest is Dr. Chris McCurdy, PhD, FAAPS, professor of medicinal chemistry at the University of Florida and a world expert on the pharmacology of kratom and other plant-derived medicinal compounds. W...

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In this Huberman Lab Essentials episode, I discuss both healthy eating and clinically recognized eating disorders, including anorexia, bulimia and binge eating disorder. I explain how brain circuits,...

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How Nature & Other Physical Environments Impact Your Focus, Cognition & Health | Dr. Marc Berman

How Nature & Other Physical Environments Impact Your Focus, Cognition & Health | Dr. Marc Berman

My guest is Dr. Marc Berman, PhD, a professor of psychology at the University of Chicago whose research explores how different physical environments—particularly nature and patterns found in nature—ca...

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Essentials: Science of Stress, Testosterone, Aggression & Motivation | Dr. Robert Sapolsky

Essentials: Science of Stress, Testosterone, Aggression & Motivation | Dr. Robert Sapolsky

In this Huberman Lab Essentials episode my guest is Dr. Robert Sapolsky, PhD, a professor of biology, neurology and neurological sciences at Stanford University.   We discuss different types of stres...

10 Jul 202536min

How to Lose Fat & Gain Muscle With Nutrition | Alan Aragon

How to Lose Fat & Gain Muscle With Nutrition | Alan Aragon

My guest is Alan Aragon, a renowned nutrition and fitness expert and researcher known for sharing the strongest evidence-based approaches to fat loss, muscle gain and overall health and fitness. We di...

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Essentials: Understanding & Conquering Depression

Essentials: Understanding & Conquering Depression

In this Huberman Lab Essentials episode, I explore major depression, including its underlying biology and discuss science-based approaches to alleviate symptoms and improve mood. I describe the wide-...

3 Jul 202540min

The Chemistry of Food & Taste | Dr. Harold McGee

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Dr. Harold McGee, PhD, is a renowned author on the topics of food chemistry and culinary science. He explains how cooking methods, types of cookware and temperature can be used to transform food and d...

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