Actually, the brain is not as immune privileged as was long thought. Only last year, lymphatic vessels were identified in the brain. https://www.nih.gov/news-e

Actually, the brain is not as immune privileged as was long thought. Only last year, lymphatic vessels were identified in the brain. https://www.nih.gov/news-events/nih-research-matters/lymphatic-vessels-discovered-central-nervous-system https://www.nih.gov/news-events/nih-research-matters/lymphat...