Translated for the first time in English or in any European language, Avicenna in Volume 3 presents various diseases systematically from the brain to the toes, with their etiology, symptoms, diagnosis, prognosis and treatment with simple and compound drugs. Special mention may be made of the following sections: Head: brain, (intemperaments, headache in all its aspects, organic diseases of the brain, epilepsy, paralysis, etc.) eye, ear, nose, mouth, throat, and teeth. Chest: lungs, heart, breasts. Alimentary tract: stomach, intestines, liver, gall bladder and spleen. Intestines and the anus, disorders of the rectum. Urinary tract: the kidneys, bladder and urine. The male reproductive system; the female reproductive system, conception, pregnancy, and diseases of women. Muscles: joints, and feet.