Contrary to long-standing beliefs, T cells--key immune cells--have been discovered in the healthy brains of both mice and humans. These cells, previously thought to only enter the brain during disease, were most concentrated in a region that regulates hunger and thirst.
Contrary to long-standing beliefs, T cells--key immune cells--have been discovered in the healthy brains of both mice and humans. These cells, previously thought to only enter the brain during disease, were most concentrated in a region that regulates hunger and thirst.
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