This is nothing new, and I have a hunch we're going to find more subtle mental changes associated with external infections (not just extreme dementia, paranoia,

This is nothing new, and I have a hunch we're going to find more subtle mental changes associated with external infections (not just extreme dementia, paranoia, and seizures). Things that people currently associate with innate personality traits. One example is the personality changes that toxoplasmosis can induce to humans, even when being latent. And I would guess that these will go undiagnosed for most people. https://www.scientificamerican.com/article/common-parasite-linked-to-personality-changes/ https://www.scientificamerican.com/article/common-parasite-l...