Kristie Leong M.D.

Your brain has a hidden "rinse cycle" — and it literally sways when you move. 🧠 New Penn State research in Nature Neuroscience shows: every time you engage your core, a hydraulic “brain pump” kicks in. Abdominal contractions increase spinal pressure, causing your brain tissue to sway rhythmically. This flushes cerebrospinal fluid through it like squeezing a dirty sponge, washing out metabolic waste. Sit too much? You break the cycle. Waste builds up, fueling brain fog and long-term decline. The vicious loop no one talks about. But here's what's empowering: You don't need an intense workout. Simple, rhythmic actions, like taking a walk or even the slight core engagement of standing up, trigger this hydraulic cleaning system. The Brain Flush Protocol: 3 Ways to Trigger the Cycle 1. The Rhythmic Walk: 10 brisk minutes. Steps + core engagement = optimal sway. 2. Micro-Engagements: When standing from sitting, lightly engage your abs for max pressure shift. 3. Desk Pump — Shift weight side-to-side or do subtle calf raises. Keeps the rinse going. 💡 Pro-Tip: Pair with deep diaphragmatic breathing to boost thoracic pressure changes. Start today. Your future brain will thank you. What’s your go-to micro-movement to stay active during the day? #BrainHealth #Neuroscience #Longevity Source: Guenette, J. P., et al. (2024). Body-to-brain hydraulic signaling flushes the neural interstitium. Nature Neuroscience.