The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
That Zone 2 cardio for 30 to 45 minutes 3 times a week seems to improve the rates of clearance of some of the debris after injury, and in general, injury or no, to accelerate and improve the rates of flow for the glymphatic system.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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This glymphatic system and the glial astrocyte system is a system that we want chronically active throughout the day as much as possible, so low-level walking, Zone 2 cardio, and then at night, during slow-wave sleep, is then really when this glymphatic system kicks in.
Then there are going to be things that are going to improve perfusion, like the glymphatic system, getting deep sleep, feet elevated, sleeping on one side, low-level Zone 2 cardio three times a week.
the asites bridge the connection between the neurons the synapse the connections between them and the vasculature the blood system and the gimatic system so this glymphatic system and the gal asroy system is a system that we want chronically active throughout the day as much as possible so low-level walking Zone 2 cardio and then at night during slow wave sleep is then really when this lymphatic system kicks in