Dr. Marc Breedlove is a professor of neuroscience at Michigan State University and an expert on how hormones shape brain development and sexual orientation. Dr. Andrew Huberman is a tenured professor of neurobiology and ophthalmology at Stanford University School of Medicine and host of the Huberman Lab podcast.
Sunday, October 25, 2026
How Older Brothers Affect Male Sexuality | Dr. Marc Breedlove & Dr. Andrew Huberman
Oct 25, 2026 | Dr. Marc Breedlove and Dr. Andrew Huberman discuss the fraternal birth order effect, the maternal immunization hypothesis, and why older brothers raise the odds of being gay.
Dr. Marc Breedlove is a professor of neuroscience at Michigan State University and an expert on how hormones shape brain development and sexual orientation. Dr. Andrew Huberman is a tenured professor of neurobiology and ophthalmology at Stanford University School of Medicine and host of the Huberman Lab podcast.
Dr. Marc Breedlove is a professor of neuroscience at Michigan State University and an expert on how hormones shape brain development and sexual orientation. Dr. Andrew Huberman is a tenured professor of neurobiology and ophthalmology at Stanford University School of Medicine and host of the Huberman Lab podcast.
