Antiphospholipid syndrome is an autoimmune disease which causes abnormal blood clots. It is now recognised as a major cause of common conditions, including stroke, heart attack, miscarriage, epilepsy and memory loss and as such is gaining recognition in all branches of medicine, from obstetrics to cardiology, from psychiatry to orthopaedics. This book provides an overview of our current understanding of this major disease. It includes the latest information on the new pathogenetic mechanisms involved as well as clinical manifestations in both 'the thrombotic' and 'non thrombotic' manifestations of this important disease. This book presents a comprehensive review of this major disease. It includes information on treatment options available.