Many people have irrational fears. Phobias affect about 19 million Americans each year. So is fear "e;normal"e;? At what point do fears become clinical phobias? Phobias: The Psychology of Irrational Fear is the definitive volume on a broad range of topics related to fears and phobias. After an introduction to the subject of fear and phobias, the encyclopedia presents approximately 200 A-Z, cross-referenced entries that address phobias from a variety of angles-types of fears, root causes, physiological and psychological effects, classification, and treatments.The work presents accurate, authoritative, and up-to-date information based on scientific evidence. The majority of the numerous contributors are anxiety disorder researchers and clinicians who possess cutting-edge knowledge of their areas of expertise. Ideal for both high school students and general audiences, readers will be engaged by high-interest content that not only details and explains various phobias but enables them to trace the history, theories, and practices associated with the study and treatment of phobias.