This comprehensive primer on the opening stages of common endocrine diseases focuses on early signs and symptoms, surveys the clinical testing needed for a diagnosis, and concisely presents the best current recommendations for therapy. The book covers such new "endocrine" diseases as polycystic ovarian syndrome, obesity, and hypogonadism, but also offers new approaches to such basic conditions as type 2 diabetes and thyroid disease. Easy-to-follow chapters discuss the molecular pathophysiology of the condition in question and summarizes the key points in easy-to-read tables.