 Nor is there evidence that he ever practiced medicine, as commonly stated.He revised Psellos's ' (Latin "Syntagma de alimentorum facultatibus" or "De cibarium facultate", "On the Properties of Foods"), which criticizes Galen and emphasizes eastern medical traditions.Paul Moore says "the text is really an explanation of Aetius Amidenus "Iatricorum libri xvi", with material drawn from Dioscorides "Liber de alimentis".