One scientist has a very controversial idea about homophobia
'I hope homophobic people find professional help'
Not just in people's heads
"The mental illness approach is very psychological, it's very much in people's heads," Herek said. "It suggests a very individualistic model for how to treat it: put someone in therapy."
"The prejudice model," he continued, "is more about people internalizing the norms of society, so [to fix the problem] you try to change the norms, and you try to change people's attitudes."
That's not something that can be fixed with simple diagnosis.