Add Yahoo as a preferred source to see more of our stories on Google. A picture of the microscope system. (CREDIT: Tatsuya Osaki) For decades, scientists have worked to peer deeper into the brain.

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 ...

Aging compromises the lymphatic vessels surrounding the brain, disabling waste drainage from the brain and impacting cognitive function. Researchers boosted lymphatic vessel integrity in old mice and ...