Smoking can damage and tighten blood vessels and raise your blood pressure. “Smoking can also limit how much oxygen reaches the body tissues”. “Heavy drinking can damage the heart and muscle, men should have no more than two drinks containing alcohol a day”. (National Heart, 2012). Smoking doubles your risk of dying from heart disease.
Coronary artery disease affects the entire body because it affects the blood that the body uses to stay healthy. The heart pumps blood to every organ and cell in the body and if the blood supply is inadequate all systems will suffer. The cardiovascular system is made up of blood, the heart, and blood vessels. This system is responsible for supplying oxygenated blood and nutrients to all parts of the body. The oxygen and nutrients that are delivered to the body blood cells and tissues help in the normal functioning of the body. They are crucial for surviving any disease or condition in the circulatory system that can affect the overall metabolism of the body. Heart disease affects the complete functioning of the body. (Sandhyarani,