NEW RESEARCH offers more credence to nature over nurture when it comes to sexuality, specifically finding that those with older brothers are more likely to enter a same-sex union in their lifetimes.
Researchers Christine Ablaza, Jan Kabátek, and Francisco. They used data from more than 9 million people in Dutch population registers. While the data used didn’t indicate a person’s sexual orientation, it did show if the p er s on had entered into a same-sex marriage or civil partnership. The researchers used these unions as a “proxy for homosexuality,” they wrote in a piece for .
