It is a practice that some people say has ruined their lives. For others, it has led to long-lasting mental and physical anguish. So why is gay conversion therapy banned in some states of Australia, and perfectly legal in others?

NSW premier Chris Minns made an election promise that he would ban gay conversion practices, if he were to be elected. That was in February this year.

Since then, LGTBQ advocates have faced off against some religious groups that have opposed the ban. While others fear a ban may lead to unintended consequences.

Today, senior writer Caitlin Fitzsimmons on how hard it's been for many Australians to avoid persecution, because of their sexual or gender identity

And just a warning, this episode mentions suicide and self-harm.