Medical University of South Carolina Oct 31 2025 How does the brain take out its trash? That is the job of the brain's lymphatic drainage system, and efforts to understand how it works have pushed the boundaries of brain-imaging technologies. A new study in iScience by researchers at the Medical University of South Carolina reveals, for the first time in humans, evidence of a previously unrecognized hub in the brain's lymphatic drainage system – the middle meningeal artery (MMA). Taking