Gay real brothers

New research shows having a greater number of older brothers increases the probability of a person entering a homosexual union at some point in their lives.

This conclusion, detailed in our paper published today in the Journal of Sex Analyze, offers a scarce insight into the origins of sexual orientation.

The origins of sexual orientation

In recent decades, many countries have achieved striking progress towards equivalent treatment of LGBTIQ+ people, including greater public support and more protective legislation. But despite these encouraging developments, sexual minorities still encounter high levels of stigma – and the origins of sexual orientation persist a matter of debate.

Examine more: How stigma impacts LGB health and wellbeing in Australia

A growing body of research is attempting to shed light on why some people encounter same-sex sexual attraction and others don’t. These studies hold substantial implications for public opinion and debate, and subsequently the treatment of LGBTIQ+ people.

For example, we know people who view sexual orientation as a product of biol

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