Autoimmune gastritis can lead to irreversible stomach damage and has a long-term risk of stomach cancer, though it is not fatal and currently has no cure Longevity influencer and biohacker Bryan Johnson revealed last week that he is suffering from a chronic autoimmune condition called autoimmune gastritis (AIG). Sharing the news on X, Johnson said that his "stomach is eating itself." "I'm going to try... [2534 chars]
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