Scientists Uncover a Hidden Brain Plumbing System That Restores Memory

"Aging compromises the lymphatic vessels (green) in tissue called the meninges (blue) surrounding the brain, disabling waste drainage from the brain and impacting cognitive function. Researchers at WashU Medicine boosted lymphatic vessel integrity (bottom) in old mice and found improvements in their memory compared with old mice without rejuvenated lymphatic vessels (top)." [See original, colorized, images in article linked below].

Source:  SciTechDaily