Background Asceticism is deeply related to spirituality and fasting practices that have been observed in Anorexia Nervosa (AN) throughout history. Objective To make a psychosocial analysis of spirituality and asceticism within the historical context of Anorexia Nervosa (AN), from the Middle Ages to the 21st century, comparing ‘holy anorexia’ and contemporary AN. Ad hoc illustrative cases are de...