Autoimmune gastritis is a chronic condition in which the immune system attacks the stomach's parietal cells, destroying the lining and impairing nutrient absor…
British physician Thomas Addison published observations of a fatal, unexplained anaemia that did not respond to iron treatment. The patients shared a common feature: a w…
American physicians George Minot and William Murphy demonstrated in 1926 that feeding patients large quantities of raw liver reversed pernicious anaemia — a previously f…
In 1948, scientists at Merck and independently in the UK isolated a red crystalline compound from liver extract — cyanocobalamin, now known as vitamin B12. This answered…
Scottish immunologist W.J. Irvine and colleagues published research in 1962 demonstrating that patients with atrophic gastritis and pernicious anaemia carried circulatin…
Following Barry Marshall and Robin Warren's Nobel-winning work on Helicobacter pylori, subsequent research in the early 1990s showed that H. pylori infection could, in g…
A landmark international consensus meeting in Florence in 2007 formally classified advanced atrophic gastritis — the pathological state produced by autoimmune gastritis…
In 2013, Bryan Johnson sold his payments company Braintree — which had acquired Venmo — to PayPal for approximately $800 million. Johnson personally received an estimate…
In 2021, Bryan Johnson publicly launched Project Blueprint — a radically transparent self-experimentation programme in which he published his complete medical data onlin…
Despite consuming a meticulously engineered diet rich in plant-based iron sources and supplementing aggressively, Bryan Johnson's blood panels in 2024 consistently showe…
In 2025, Bryan Johnson disclosed publicly that he had been diagnosed with autoimmune gastritis — describing the condition in stark terms as his 'stomach eating itself.'…
Following Johnson's disclosure, gastroenterologists and haematologists across India, the US, and the UK issued public guidance urging adult men with unexplained iron def…
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