This book contains the proceedings of Falk Symposium 167 entitled Liver under Constant Attack - From Fat to Viruses', which was held in Mainz, Germany, on 20-21 September 2008. It merges up-to-date viral liver immunology with relevant topics in clinical practice. Sections cover viral hepatitis, immunosuppressive approaches in liver patients, malignant liver diseases, inflammatory liver diseases and complications of liver cirrhosis. Interdisciplinary discussion of new concepts in the treatment of liver diseases makes this book valuable for scientists and clinicians alike.