The book is designed for an educated reader, as well as for all those involved in medicine and interested in heart attacks. The aim of the book is to introduce the reader to the causes that may underlie the disease, so as to prevent its progress. The authors analyze the mechanism of the progressing of atherosclerosis with focus on the disorders in the lipid blood composition which, among other things, determine the development of the disease. The language of the book is easy to understand. The book is suppled with a vocabulary of the major medical terms.