All because alcohol and drugs directly affect your brain chemistry, and they're the main "broadcasted" addictions, doesn't mean that other addictions that don't involve foreign substances can't exist. Porn addiction just happens to be one of the overlooked ones nobody pays any mind to.
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It concluded people who were brought up in religions that are 'morally' opposed to porn feel bad after watching porn.
That's something entirely different from addiction, which would require that person becoming
The problem with addictive drugs is that quitting all at once can kill you.
That is not at all the case with porn.