Bryan Johnson’s autoimmune disease raises alarm on simple mineral 1 in 4 Americans may lack
Bryan Johnson, a 48-year-old biohacker, has been diagnosed with an autoimmune disease called autoimmune gastritis, which may be linked to low iron levels. Johnson's diagnosis has raised awareness about the importance of iron intake, with research suggesting that about 1 in 4 Americans may have inadequate iron intake or absorption. Johnson's experience highlights the potential risks of ignoring low iron levels and the need for proper diagnosis and treatment to prevent more severe health issues.
- ▪Bryan Johnson has been diagnosed with autoimmune gastritis, a condition that affects the stomach lining and can lead to low iron levels.
- ▪About 1 in 4 Americans may have inadequate iron intake or absorption, according to research published in JAMA Network Open.
- ▪Iron is an essential mineral for transporting oxygen and producing energy, and low levels can cause symptoms such as fatigue, weakness, and dizziness.
Opening excerpt (first ~120 words) tap to expand
Shopping Bryan Johnson’s autoimmune disease raises alarm on simple mineral 1 in 4 Americans may lack By Miska Salemann Published July 6, 2026, 4:34 p.m. ET Left: Bloomberg via Getty Images, Right: Sports Research See more of our coverage in your search results. Add The New York Post on Google New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. Bryan Johnson has finally ironed out the cause of his mysterious health problems. After years of dealing with complicated symptoms, the 48-year-old biohacker says he has been diagnosed with an “incurable” autoimmune disease — autoimmune gastritis (AIG) — and warns that one symptom was hidden in plain sight.
…
Excerpt limited to ~120 words for fair-use compliance. The full article is at New York Post.
Discussion
0 commentsMore from New York Post
