Bryan Johnson's disease has become a trending search after the anti-aging influencer revealed he has autoimmune gastritis, a condition in which the body's immune system mistakenly attacks the stomach lining. The disclosure has sparked widespread interest in the condition, with many people searching for information about the Bryan Johnson autoimmunue disease, what happened to Bryan Johnson and how autoimmune disorders affect the body.
Here's what autoimmune diseases are, their causes, symptoms, and treatment options.