Skip to main content
    Longevity Hackers
    All Videos

    Bryan Johnson's Autoimmune Gastritis: 11 Years Undetected

    Longevity
    August 5, 2026
    8:24 min

    Bryan Johnson went public with autoimmune gastritis: why ferritin usually drops first, why haemoglobin stays normal for a long time, and what the case teaches about biomarker diagnostics.