This is where the puzzle pieces really start to lock together. Comment PARENT TIPS and I'll DM you resources that will stop the overwhelm and start your journey to answers When inflammatory signals from the gut reach the brain, they don’t just float around harmlessly. They activate microglia, the brain’s immune cells. And when those cells stay switched on too long, inflammation shows up in the striatum, the part of the brain that controls movement and dopamine signaling. That disruption matters.

Introduction to neural cell types

Building bridges between cells for brain health: Research finds microglia rescue neurons through tunneling nanotubes