Demons themselves are quite content for you to remain in your unbelief, while the evil they cause abounds all around you.
But do they live in the striatum of my brain, and diddle with my dopamine balance there? Do antipsychotic drugs repel them? You're not answering my questions! You don't want to hurt my feelings, do you?
"The wretched world lies now under the tyranny of foolishness; things are believed by Christians of such absurdity as no one ever could aforetime induce the heathen to believe." - Agobard of Lyons,
ca. 830 AD