Researchers have identified a mechanical link between abdominal muscle contractions and brain waste clearance, suggesting that simple movements such as walking may help the brain clean itself. The findings, reported in Nature Neuroscience, propose that each contraction of the abdominal muscles during movement creates a hydraulic effect that shifts the brain and promotes the flow of cerebrospinal fluid (CSF), a fluid that helps remove cellular waste.
According to the report, the brain is mechanically linked to the abdomen through a network of blood vessels. Lead author Patrick Drew, professor at Penn State, stated that “a little bit of motion is good” and that the research “explains how just moving around might serve as an important physiological mechanism promoting brain health.” The study was conducted on mice and supported by computer simulations.
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