A single lab spike does not equal better health. We dive into the viral claim that an upper cervical adjustment “boosts immunity” by raising salivary IgA for 30 minutes and unpack what that marker actually reflects at your barrier surfaces. In clear, plain language, we explain why IgA is a frontline "bouncer" for the mouth, sinuses, lungs, and gut—and why a temporary increase can mean everything from an appropriate alarm to simple irritation. The headline sounds exciting; the physiology is more nuanced.We walk through the 2021 observational study at the center of the hype: 41 existing clinic patients, no control group, no blinding, and no clinical outcomes. The result showed a transient IgA bump half an hour post adjustment that returned to baseline two weeks later. Interesting, yes. Proof of enhanced immunity, no. We contrast statistical significance with clinical meaning and outline what a rigorous trial would actually measure: sick-day reduction over a season, antibody titers, cytokine balance in the mucosal system, and microbiome shifts. If we want credibility, we need outcomes patients can feel and methods scientists respect.From there, we reframe the goal of immune care: not boosting, but regulating. Boosted immunity describes allergy flares and some autoimmune activity. Regulated immunity means a system that mounts a defense when needed and then stands down. We cover what drives chronically high IgA—dysbiosis, food sensitivity, mold, alcohol, ongoing infections—and what low IgA can signal—depletion from relentless stress or long-term viral load. The practical takeaway is simple: stop chasing numbers; build resilience. If a therapy makes a marker move, ask whether symptoms, infection rates, and quality of life move in the right direction too.If this kind of clear, context-first health talk resonates, follow along, share the episode with a friend who loves data, and leave a quick review so we can reach more curious listeners.Want to take the next step with functional medicine? Learn more about our new patient process and lab testing at www.thefacilitydenver.com For more insights, tips, and behind-the-scenes content, follow us on Instagram @thefacilitydenver Join our email list for monthly updates + offers. Stay curious, stay proactive, and we’ll catch you next time!

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