![\"Tech](\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/07\/GettyImages-871009900.jpg\")
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Photo Credit: Getty Images\n<\/p>\n
Bryan Johnson has made anti-aging experimentation a central part of his image. He now says he is dealing with a chronic illness that cuts against that goal.<\/p>\n
What happened?<\/p>\n
Last week, the 48-year-old said he was diagnosed with autoimmune gastritis, an incurable disorder in which the immune system attacks the stomach’s cells.<\/p>\n
The disease can emerge with little warning and, without treatment, can increase the risk of major complications such as cancer.<\/p>\n
As Futurism<\/a> reported, Johnson described the diagnosis in stark terms, saying his “stomach is eating itself.”<\/p>\n Rather than treat the diagnosis as settled, Johnson said he wants to pursue answers.<\/p>\n “I’m going to try and solve it,” he wrote<\/a> on X. “Will share all.”<\/p>\n He is widely associated with a multimillion-dollar annual health program built around scans, testing, and longevity-focused interventions. Johnson has also shared a highly controlled routine that tracks biomarkers and aims to fine-tune nearly every aspect of his physical condition.<\/p>\n According to Johnson, the first clue was persistent iron deficiency despite the absence of obvious anemia.<\/p>\n He said an “overdue” colonoscopy was clear, which ruled out explanations like cancer and occult blood loss, and follow-up testing, including an endoscopy and biopsies, identified early autoimmune gastritis limited to the stomach lining.<\/p>\n Why does it matter?<\/p>\n Some diseases can advance for years before producing clear symptoms.<\/p>\n In Johnson’s case, he said the disease process likely began decades ago. He linked it to earlier health struggles, including high stress in his 20s, weight gain, heavy sugar consumption as a child, and a diagnosis of hypothyroidism at age 21.<\/p>\n The case underscores how a rigorous wellness routine and close surveillance still may not catch every chronic illness at an early stage.<\/p>\n What’s being done?<\/p>\n Johnson has indicated that he sees the diagnosis as something to study rather than merely accept.<\/p>\n “When AIG is discovered today, standard medical care concedes defeat, stating that nothing can be done except managing the condition, no matter how awful or lethal the effects,” he wrote.<\/p>\n He has also pushed back on the idea that his longevity regimen failed outright.<\/p>\n Responding to criticism on X, Johnson wrote, “This is a diagnosis of a condition that started in my body over 20 years ago. Had I not taken care of my body during the past few years, it would be a lot worse.”<\/p>\n Johnson, for his part, is framing the setback as part of a longer fight.<\/p>\n “Health issues will always pop up, no matter how healthy one is,” he wrote.<\/p>\n Get TCD’s free newsletters<\/a> for easy tips, smart advice, and a chance to earn $5,000 toward home upgrades. To see more stories like this one, change your Google preferences here<\/a>.<\/p>\n \t\t\t![\"Cool](\"https:\/\/www.thecooldown.com\/wp-content\/themes\/tcd\/assets\/images\/divider-icon-earth.svg\"){kind=icon}
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