Gut Immune Cells Migrate to Brain & Are Linked to Alzheimer’s

The gastrointestinal tract is the biggest immune organ in mammals. The gut extends its influence all over the body through various links like the gut-liver axis, the gut-lung axis, and the gut-brain axis, and it also contains the trillions of microbes that compose the gut microbiome. Scientists have now used a mouse model of Alzheimer’s disease to show that immune cells from the gut can migrate to the brain through the gut-brain axis. This connection…