Medications and Pharmacology: What Substances Pass the Blood-Brain Barrier?
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5 min read
The blood-brain barrier (BBB) is an exceptionally selective interface that prevents nearly 98% of small-molecule drugs from entering the central nervous system, profoundly impacting which medications and substances can pass the blood-brain barrier. This tight-knit defensive system is a major challenge for pharmacology but is vital for protecting the brain from toxins and pathogens.
