Water Filtration on the Joe Rogan Experience

1 fact-checked claim across 1 episode · Jan 2018 · updated Jul 7, 2026

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  1. Ben GreenfieldJRE #1069▶ 5:37

    “you use a reverse osmosis water filter because it's a really, really fine filtration. But it takes everything out. Like, it takes the bad stuff and the good st…”

    Greenfield claims reverse osmosis water filtration strips out both contaminants and beneficial minerals, implying municipal tap water without such filtration (or unfiltered use) is linked to a neighborhood cancer cluster from golf course runoff.