Poisonous or harmful to the organism that produced it, especially referring to substances created by the body's own cells.
From auto- (self) + toxic (poisonous). A medical/biological term developed to describe self-induced toxicity within organisms.
Your body actually produces waste products that could damage you if they accumulated—your liver and kidneys are specialized filters to remove autotoxic substances before they harm you, which is why these organs are so critical to survival.
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