PRI (public radio international) interviews Dr. Jonathan Kipnis on this groundbreaking discovery of lymphatic vasculature, which changes everything we thought we knew about the brain. Our brains need immune cells and working vessels. This overturns 70 years of incorrect dogma. Please share widely. Let's get science writers, researchers, the public and media interested

Scientists thought they knew how the human body worked. They thought they knew how the immune system worked. They were wrong. A recent discovery found a previously unknown path for the immune system into the brain.