Bryan Johnson has blamed his unhealthy lifestyle in his younger years for developing autoimmune gastritis, but one specialist says it may have been his own doing.

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