We would like to believe that our brains are relatively sterile and protected from germs, toxins, and waste. While we do have a strong shield called the blood brain barrier (BBB), we actually do have an internal brain waste system that was recently discovered in 2012, called the glymphatic or glial-dependent lymphatic system. The glymphatic system works with specific immune cells in our brain, called glial cells, to move cerebrospinal fluid across the brain, cleaning our brain cells, and then…
