Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Arthritis is the main cause of disabilities among people older than 55 in industrialized countries. In fact, it is not a single disease - the term “arthritis” covers more than 100 medical conditions. Although the most common form of arthritis affects elderly people, children and young adults may suffer from the condition as well. Despite the fact that this joint condition considerably affects one's lifestyle, interfering with the ability to successfully complete everyday tasks, arthritis management helps affected individuals achieve a better quality of life. Learn more about arthritis, its symptoms, management and types in this book.