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There's a lymph system in the brain that was so subtle that it went undiscovered until 2016. Lymph nodes are centralized pathogen collectors in the body's immun

There's a lymph system in the brain that was so subtle that it went undiscovered until 2016. Lymph nodes are centralized pathogen collectors in the body's immune response system that allow the body to determine an appropriate immune response. There may be a connection between immune response and cognition, now that these nodes have been discovered in the brain. Not much else is known at this time.

pamplemoose 6y ago
It's particularly interesting given that it followed up on earlier stories related to the waste clearance in the brain. You can read up more at https://en.wikipedia.org/wiki/Glymphatic_system https://en.wikipedia.org/wiki/Glymphatic_system