Anorexia mirabilis literally means "miraculous lack of appetite". It refers almost exclusively to women and girls of the Middle Ages who would starve themselves, sometimes to the point of death, in the name of God. The phenomenon is also known by the name inedia prodigiosa ("prodigious fasting").
Read more about Anorexia Mirabilis: Differences From anorexia Nervosa: Continuity or Discontinuity?, Historical Instances, Perceived Benefits, Further Reading