The role of smoking in development coronary hearth disease
There are three major modifiable risk factors for coronary hearth disease: smoking, hyperlipidemia and hypertension. Smoking acts synergistically with other risk factors increasing the risk for cardiovascular morbidity and mortality. Many epidemiological studies consist hard and consistent relationship between smoking and coronary hearth disease, which is related with duration and number of smoking cigarettes. On the other side. high risk for coronary hearth disease in ex smokers decreases substantially in the first 2 to 3 years, and after that degree of lowering risk decreases in such way that after 10 years former smokers have the same risk level as never smokers. Because the cardiovascular diseases are leading cause of death in world today, smoking cessation is one of the most important intervention of primary care physician for reduction morbidity and mortality from coronary hearth disease and improvement overall community health.