Immunosenescence and Inflammaging, Two Sides of the Same Coin
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The aging immune system falls apart in a number of different ways, and as the researchers here note, the process probably isn’t just one of decline, but of a continual adaptation to that decline. Present nomenclature tends to categorize aspects of immune system aging into broad categories by the type of outcome produced. These are (a) immunosenescence, the weakening of the immune response to pathogens and failure of immune surveillance of potentially dangerous cells, (b) inflammaging, progressively raised levels of chronic inflammation, and (c) autoimmunity, in which the immune system begins to attack tissues. In reality, everything in biochemistry is connected to everything else, and these outcomes are the consequences of interacting, shared processes of decline and damage.

aging immune systemimmune systemimmunosenescencepathogensimmune surveillanceinflammagingchronic inflammationautoimmunity

Any successful effort to turn back immune system aging, such as by selectively destroying malfunctioning or unhelpfully configured immune cells, and restoring the generation of new immune cells to youthful levels, should go some way to addressing all of these issues. The researchers here suggest caution on selective reversal of symptoms of immune aging, as some are beneficial adaptations, but in my opinion this shouldn’t apply to efforts to address the lower level causes of immune aging. Where

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