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Overview
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Toxin
Poisonous substance produced within living cells or organisms;man-made substances created by artificial processes are thus excluded. The term was first used by organic chemist ludwig brieger (1849–1919).
For a toxic substance not produced within living organisms, "toxicant" and "toxics" are also sometimes used.[citation needed].
Toxins can be small molecules, peptides, or proteins.
How long it usually lasts:
Chronic (lasts years to lifelong)
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