This brief historical explanation and its linked treatment article have not received current scientific or medical review.
The blood-brain barrier (BBB) is the protective layer that isolates the central nervous system from the bloodstream but allows the exchange of substances necessary for it to function. The blood-brain barrier consists of the cells of the inner lining of blood vessels and other cells behind them pressing together very tightly.
Blood-brain barrier links:
Multiple Sclerosis, The Blood Brain Barrier, and New Treatment
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Author: Paul Jones
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