Exercise brain cleansing: how movement flushes the brain from within.
Exercise brain cleansing — this is what the mechanism described by researchers at Penn State in Nature Neuroscience in April 2026 can be called. Every time abdominal muscles contract, the brain literally shifts inside the skull. This shift triggers the circulation of cerebrospinal fluid, which flushes metabolic waste from brain tissue. It sounds like science fiction, but it's ordinary hydraulics. And it works every time...
