A simple and understandable book about immunity, which is easy and accessible, with a minimum number of scientific terms, explains exactly how the protective system of our body works, what difficulties it faces and how we can help it. The author of the book, a certified nutritionist Ekaterina Maslova, will answer the most popular questions about immunity: does hardening work, will garlic and echinacea protect against influenza, will strong alcohol protect against viruses, and many others. Nice bonus: 30 recipes for healthy dishes and drinks to strengthen the immune system.