Some phobias seem to bring on a physiological condition, like fear of spiders, and can be explained as perhaps something that occurred in the past - or maybe an evolutionary feature which ensured survival.
However, homophobia and xenophobia are less clear - and perhaps inappropriately called phobia.
Is there a psychological explanation for homophobia - or is it just bigotry - intolerance - prejudice.
There might an evolutionary aspect to xenophobia, in that it would be wise to be cautious with strangers - but why does xenophobia persist after initial natural caution?
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