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Emotional distress is said and scientifically even validated that it could contribute to earlier aging, even aside from chronological age. Stresses also can have millions of pathways in which they can slowly cause or contribute to diseases, especially prolonged, chronic stress/anxiety/etc. Given this knowledge, is it then theoretically possible that highly-stressed organisms can have the potential damages from these stresses reversed/removed? Not like erasing memories of abuse, but in "rewinding" the neuro/chemical/physical pathways in which the stress triggered or has made its mark on the organism, such as with organs, chemical pathways, and just cells and their metabolic function/ATP/signalling/efficiency/etc. In short, can any stress be removed like it never happened? Even assuming the stress itself did not directly cause any disease, can you still "undo" its effects?

So that for any future stress there wouldn't be any past stress to further cause more damage. Some people live chronically stressed and it does them no good. Any way we can reverse this after, say, environmental changes? For the purposes & corollaries/similarities to that of reverse senescence too.

I know the exact methods in which this all works is mighty complex, but a brief, concise answer should be possible, given that I'm asking about this in a simplistic, "higher-level" kind of way.

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  • $\begingroup$ I think you will not get a good answer, due to the nature of the question. You are asking about a complex thing. It's a bit like asking whether the damage of a financial crisis be reversed. Some things are really irreversible, others are of course reversible, and yet others are repairable or replaceable. A damaged cell may have to replace proteins damaged by oxidation, for instance, and the (re-)modification of the protein itself may or may not be reversible; the process of cell repair over time through allostasis or homeostasis may or may not be a complete reversion. It's not so simple! $\endgroup$ – S Pr Oct 7 '19 at 10:24

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