The recurrence of cancer months or even years after successful treatment is an all too common phenomenon, and scientists have been chipping away at understanding how undetectable cells can once again unleash disease on the body — often more aggressively than the first time around.
https://www.statnews.com/2020/12/02/elevated-stress-hormone-levels-could-reawaken-dormant-cancer-cells-study-finds/
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