+A **poison** is any substance, natural or crafted, that can cause [Harm](/wiki/harm) or death when absorbed by a living being. Its essence disrupts vital functions, often through [Chemical Reaction](/wiki/chemical_reaction) at a fundamental level.
+## See also
+- [Toxin](/wiki/toxin)
+- [Venom](/wiki/venom)
+- [Antidote](/wiki/antidote)
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