Peter Attia· MD
so the function of tight junctions is to prevent material going through the channel between two epithelial cells it's a plug in the bathtub
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
so the function of tight junctions is to prevent material going through the channel between two epithelial cells it's a plug in the bathtub
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and the more of these tight junctions you have between two epithelial cells the less leaky or permeable that connection is between them