“Be healthy!” is one of the most popular wishes. But how does one “be healthy”? In today’s conditions, sadly, neither good heredity, nor modern medicines, nor strong immunity may be enough. This book is about how to awaken the reserves of our body responsible for good well-being and for the normal functioning of all systems. And to make it even more informative, its author Oleg Torsunov invited his colleagues and students to these pages, along with their practical advice on a healthy lifestyle.