Peter Attia· MD
there's a type of cell called parasites pair e with an i not to be confused with a parasite they um they back they basically have these like big feet that wrap around the endothelial cells at the blood-brain barrier and they serve really too important many important but two main important functions one is they are they're basically constricting and dilating and like helping squeeze like the flow of blood so they're like they're regulating blood flow to the brain but they also are very important for that barrier and they start to fall off with age these parasites and inflammation plays a big role on that