Yes, absolutely! In particular there's evidence for: https://en.wikipedia.org/wiki/Fraternal_birth_order_and_male_sexual_orientation https://en.wikipedia.org/w

Yes, absolutely! In particular there's evidence for: https://en.wikipedia.org/wiki/Fraternal_birth_order_and_male_sexual_orientation https://en.wikipedia.org/wiki/Fraternal_birth_order_and_male...