The human body's endocrine system includes eight major glands, which make hormones and travel through the bloodstream to tissues or organs. In this book, the authors' focus on the risk factors, genetics, diagnosis and management of gynecomastia (a benign condition characterized by enlargement of the male breast) and addresses the puzzling controversies surrounding menopausal hormone replacement therapy (HRT) and its health outcomes, which have been the subject of extensive investigation in recent years. The book concludes with a bibliography on recent titles published in the field that readers might find of interest.