Medical and Psychosocial Aspects of Chronic Illness and Diseases, Fourth Edition covers the medical aspects of those conditions commonly encountered by rehabilitation and other health professionals and discusses symptoms, diagnoses, treatments, and prognoses. This Fourth Edition has been completely revised and updated and reflects an approach consistent with the philosophical underpinnings of the International Classification of Functioning, Disability and Health (ICF). New chapters on Conceptualizing Chronic Illness and Disability; Intellectual Disability; and Financing Rehabilitation have been added. In addition, chapters on Psychiatric Disability, Substance Use, and Conditions of the Blood and Immune System have been expanded