This book summarizes the most current knowledge on allergic diseases from epidemiology to mechanisms, environmental and genetic factors that influence the development of allergy and asthma clinical aspects. It also covers recent therapeutic and preventive strategies. It is the first book to cover epigenetics of allergy. The book is comprised of 6 volumes with each volume dedicated to a specific aspect of allergic disease. [Volume 1: Evolution of Allergy, Epigenetics and Phenotypes, Allergens and Risk factors; Volume 2: Classification and Pathomechanisms, Allergy and the Nervous system and Allergy and mucosal immunology; Volume 3: Clinical manifestation of allergic diseases; Volume 4: Diagnosis and DD of allergic diseases and Allergy and Asthma Education; Volume 5: Therapy and prevention of allergies and Special Considerations in Children, Elderly and Pregnancy; Volume 6: Future perspectives]. The book is illustrated with numerous schematic diagrams and colour illustrations.