What constitutes a health effect resulting from exposure to a stressor like a chemical agent?
Answer
Any change in the structure or function of an organism.
A health effect is fundamentally defined as any alteration observed in the biological organization, encompassing changes to either the structure of the organism or its normal functional processes. This definition applies irrespective of whether the stressor is chemical, biological, or physical, and it establishes the baseline for recognizing adverse outcomes resulting from environmental exposures.
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