Short Wave cover image

Short Wave

The Order Your Siblings Were Born In May Play A Role In Identity And Sexuality

Apr 10, 2024
12:25
Snipd AI
Guest host Selena Simmons-Duffin delves into the 'fraternal birth order effect' on sexuality, where the likelihood of being gay increases with each older brother. She discusses the global studies, debunked research, and societal impacts of this phenomenon.
Read more

Podcast summary created with Snipd AI

Quick takeaways

  • The fraternal birth order effect indicates a higher likelihood of male same-sex attraction with more older brothers.
  • Women in same-sex marriages also show the pattern of having more older brothers, challenging previous male-focused hypotheses.

Deep dives

The Fraternal Birth Order Effect in Sexuality Research

Studies have shown a consistent increase in the probability of male same-sex attraction for individuals with more older brothers. This fraternal birth order effect, documented all over the world, indicates that men with same-sex attraction tend to have a higher number of older brothers. The maternal immune hypothesis proposes that antibodies produced by mothers in response to male-specific proteins may influence the development of subsequent male fetuses, potentially explaining this phenomenon.

Get the Snipd
podcast app

Unlock the knowledge in podcasts with the podcast player of the future.
App store bannerPlay store banner

AI-powered
podcast player

Listen to all your favourite podcasts with AI-powered features

Discover
highlights

Listen to the best highlights from the podcasts you love and dive into the full episode

Save any
moment

Hear something you like? Tap your headphones to save it with AI-generated key takeaways

Share
& Export

Send highlights to Twitter, WhatsApp or export them to Notion, Readwise & more

AI-powered
podcast player

Listen to all your favourite podcasts with AI-powered features

Discover
highlights

Listen to the best highlights from the podcasts you love and dive into the full episode