Tech entrepreneur and longevity enthusiast Bryan Johnson is confronting an autoimmune gastritis diagnosis, a condition causing his stomach to “self-destruct.” The illness is attributed to past unscientific lifestyle choices. Johnson, known for his “Blueprint” project aiming to reverse aging, is now shifting focus towards treatment. He plans to sequence the genes of a million immune cells in an attempt to understand and combat the disease. This extensive genetic analysis is intended to pinpoint the root cause of his condition and discover potential therapies. Johnson intends to publicly share the data generated from this sequencing, contributing to broader medical research. This move underscores his commitment to leveraging technology for health optimization, even in the face of personal health challenges.