Page:The Book of the Thousand Nights and a Night - Volume 5.djvu/247

 symptoms of disease?" "The science of the diagnosis of disease by internal symptoms is founded upon six canons: (1) the patient's actions; (2) what is evacuated from his body; (3) the nature of the pain; and (4) the site thereof; (5) swelling; and (6) the effluvia given off his person." Q "How cometh hurt to the head?" "By the ingestion of food upon food, before the first be digested, and by fullness upon fullness; this it is that wasteth peoples. He who would live long, let him be early with the morning-meal and not late with the evening-meal; let him be sparing of commerce with women and chary of such depletory measures as cupping and blood-letting; and let him make of his belly three parts, one for food, one for drink and the third for air; for that a man's intestines are eighteen spans in length and it befitteth that he appoint six for meat, six for drink, and six for breath. If he walk, let him go gently; it will be wholesomer for him and better for his body and more in accordance with the saying of the Almighty, 'Walk not proudly on the earth.'" [FN#401] Q "What are the symptoms of yellow bile and what is to be feared therefrom?" "The symptoms are sallow complexion and bitter taste in the mouth with dryness; failure of the appetite, venereal and other, and rapid pulse; and the patient hath to fear high fever and delirium and eruptions and jaundice and tumour and ulcers of the bowels and excessive thirst." Q "What are the symptoms of black bile and what hath the patient to fear from it, an it get the mastery of the body?" "The symptoms are false appetite and great mental disquiet and cark and care; and it behoveth that it be evacuated, else it will generate melancholia [FN#402] and leprosy and cancer and disease of the spleen and ulceration of the bowels." Q "Into how many branches is the art of medicine divided?" "Into two: the art of diagnosing diseases, and that of restoring the diseased body to health." Q "When is the drinking of medicine more efficacious than otherwhen?" "When the sap runs in the wood and the grape thickens in the