مهردادیسم

thumb | right | Mithradates VI Eupator, reputed for intentionally consuming poison to build immunity. Mithridatism is the practice of protecting oneself against a poison by gradually self-administering non-lethal amounts. The word is derived from Mithridates VI, the king of Pontus, who so feared being poisoned that he regularly ingested small doses, aiming to develop immunity.