>>20742305The line between psychological and bodily is very blurry. If you are addicted to sugar your brain releases dopamine when you eat it. If you suddenly stop you could fall into a depression from the lack of dopamine that your brain got used to.
That's just a lazy example but heck, I don't wanna get all redditory here but recent studies even noted changes in personality depending on diet, and that's from your gut biome changing and simulating the CNS
