Mkhitar Heratsi (Armenian: Մխիթար Հերացի) was a 12th-century Armenian physician. He was born in Khoy (present-day northwestern Iran). He was well versed in the Persian, Greek, and Arabic languages. Heratsi, often considered the father of Armenian medicine, was the author of the Relief of Fevers, an encyclopedic work in which he discussed, among other subjects, surgery, diet and psychotherapy.
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