Blood-Brain Bar­ri­er Less Per­me­able in New­borns than Adults after Acute Stroke (press release): “The blood-brain bar­ri­er is selec­tive­ly per­me­able and blocks unwant­ed mol­e­cules from enter­ing into the brain. The selec­tiv­i­ty is achieved through fine coor­di­na­tion in func­tion of many trans­port­ing sys­tems in endothe­lial cells, which line the inte­ri­or of blood ves­sels, and com­mu­ni­ca­tion between endothe­lial…