The lymph duct to the brain was only discovered in 2017. Prior to that, we had no idea how the brain clears waste and fights infections. https://www.nih.gov/n

The lymph duct to the brain was only discovered in 2017. Prior to that, we had no idea how the brain clears waste and fights infections. https://www.nih.gov/news-events/nih-research-matters/brain-cleaning-system-uses-lymphatic-vessels https://www.nih.gov/news-events/nih-research-matters/brain-c...