Allergy is a disease that affects every third resident of Russia and almost every second inhabitant of our planet to one degree or another! There are a huge number of different allergens that sometimes lie in wait for us in the most unexpected places, and the severity of the disease depends on many reasons. From this book you will receive information about household, food, drug and other types of allergies, learn how to eat properly, how to identify the causes and symptoms, as well as a lot of useful information about the prevention of allergic diseases.