Prime purpose of this lecture is to present on Heart Disease. Heart and circulatory disease is the UK’s biggest killer. In 2001, cardiovascular disease caused 40% of deaths in the UK, and killed over 245,000 people. Death rates for heart disease have been falling rapidly in the UK since the late 1970s. Despite this, death rates from CHD in the UK are still amongst the highest in the world. This lecture also briefly focus on What is coronary heart disease. The process of coronary heart disease begins when the coronary arteries become narrowed by a gradual build-up of fatty material within their walls.