The book examines the substantial impact of tobacco use, including second-hand smoke, on coronary heart disease (CHD). It highlights the alarming statistics of tobacco-related deaths and the benefits of quitting smoking, which significantly reduce CHD risks. The text details how unhealthy behaviors such as tobacco use contribute to CHD by causing artery damage and increasing plaque formation. The book targets health professionals and policymakers, aiming to raise awareness and promote smoking cessation as a means to manage CHD effectively.