KFF Health News Jul 14 2025 On his way to an Ultimate Fighting Championship event, Health and Human Services Secretary Robert F. Kennedy Jr. stopped by the home of podcaster Gary Brecka. The two spent time in a hyperbaric oxygen chamber and tried some intravenous nutrition drips that Brecka, a self-avowed longevity and wellness maven, sells and promotes on his show, "The Ultimate Human." Then the podcast taping started, and Kennedy — who was also on the mic — took aim at Big Pharma's influence