Bryan Johnson, known for spending millions to slow ageing, says he has autoimmune gastritis, a rare disease that causes the immune system to attack the stomach. | Health

Bryan Johnson, renowned biohacker, disclosed his diagnosis of autoimmune gastritis after undergoing extensive medical tests, including biopsies and blood work.

ALBAWABA - Famous 'Anti-ageing biohacker' and influencer Bryan Johnson recently made headlines after revealing that he has an autoimmune disease called