"Experiencing pain" is more of a philosophical/religious question dating back to at least Cartesian dualism, rather than a question of whether pain receptors ex

"Experiencing pain" is more of a philosophical/religious question dating back to at least Cartesian dualism, rather than a question of whether pain receptors exist and induce a pain response. And yeah, there are people even today that flatly deny that nonhuman animals have any form of subjective experience, even dogs.