Microelements are substances that take an active part in regulating all vital functions of the body. Their excess or deficiency causes changes in the functioning of organs and tissues, and this leads to the development of diseases, deterioration of well-being and other negative phenomena. In addition, many vitamins and enzymes cannot function without minerals. Thus, lack of minerals can cause many diseases. In addition, they are present in the body in a strictly defined ratio. A deficiency of one mineral can disrupt the balance of others. To be healthy, a person must receive the right elements and in the right ratio. Our book will teach you how to do this correctly.