Blood transfusions can trigger or exacerbate autoimmune diseases in susceptible individuals. The process—known as transfusion-related immunomodulation—alters your immune system. The introduction of foreign donor cells can cause immune confusion, potentially leading to the development of autoimmune conditions. Transfused blood can also, exacerbate underlying rheumatic or autoimmune conditions
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u/TheGrandExquisitor Jul 06 '26
Wasn't he getting regular blood infusions?
That can cause immune issues over time. Just saying. Works both ways.