Human leukocyte antigens (HLAs) can be found on the surface of most cells of the body. They are a method of categorising one's 'tissue type' and they play a role in determining a person's immune response to foreign substances. Most notably, they are used to establish donor matching for organ transplants. Today, Dr Mark Donohoe takes us through some of the emerging ways HLAs can reveal a person's predisposition to certain adverse health outcomes, such as mould toxicity, thyroiditis, type 1 diabetes, psoriasis and other autoimmune issues.*****DISCLAIMER: The information provided on FX Medicine is for educational and informational purposes only. The information provided is not, nor is it intended to be, a substitute for professional advice or care. Please seek the advice of a qualified health care professional in the event something you learn here raises questions or concerns regarding your health.*****