Anti-ageing millionaire Bryan Johnson, the tech entrepreneur famous for spending nearly $2 million a year to reverse ageing, has revealed a devastating health battle that even his obsessive wellness routine couldn't prevent. The 48-year-old disclosed that he has been diagnosed with autoimmune gastritis (AIG)—a rare condition in which the body's immune system attacks the stomach lining.
In a candid post on X, Johnson stunned followers by writing: "I have an autoimmune disease. My stomach is eating itself." He warned that the illness often develops silently, affecting an estimated 2-5% of people, and can lead to iron deficiency, anaemia and even an increased risk of stomach cancer if left undetected.
A mystery illness hidden for years
Johnson revealed that the disease had likely been progressing unnoticed for years. Although he was diagnosed with hypothyroidism at the age of 21 and managed it with hormone replacement therapy, another hidden autoimmune disorder was quietly damaging his stomach.
