Millionaire Bryan Johnson opens up about autoimmune disease damaging his stomach

Millionaire Bryan Johnson revealed his battle with autoimmune gastritis, a condition where the immune system attacks the stomach lining, often going undetected. This hidden illness, linked to his long-standing hypothyroidism and iron deficiency, has led to a complex health challenge. Johnson is now pioneering experimental approaches to tackle the disease, emphasizing that health is paramount and often overlooked until it's critical.