Genetic Link Between Immune System and Memory

The immune system in the body performs essential functions such as protecting the body from invading pathogens and growing cancer cells. The blood-brain barrier protects the brain from the immune cells in the bloodstream. The barrier also protects the brain from pathogens and toxins circulating in the blood. More recently, there have been more evidences pointing to the relationship between the blood''s immune system and the brain.

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