Guardians of the brain: how a special immune system protects our grey matter - Nature.com

The nervous and immune systems are tightly intertwined. Deciphering their chatter might help address many brain disorders and diseases.

The brain is the bodys sovereign, and receives protection in keeping with its high status. Its cells are long-lived and shelter inside a fearsome fortification called the bloodbrain barrier. For a lo… [+15252 chars]

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