What Lives in Brain Fluid? Scientists Discover Immune Hotspots in the Aging Mind
Beneath the brain’s inner sanctums, an enigmatic cerebrospinal fluid (CSF) bathes neurons with mystery, delivering nutrients and clearing away waste products while quietly affecting mental well-being. Scientists have long believed the fluid is nothing more than an inert cushion for decades. But a new study now uncovers it as a front line where immune cells ...
