Smoking is a cause of disease in many species, making the risk of heart disease up to 2 times the risk of disease, emphysema up to six times the risk of lung cancer is high. it is 10 times more cigarettes, making the smoking shortens life by an average of 5-8 years, smokers who started smoking at teens. Stop smoking and 50 percent will die from diseases caused by smoking. And half of this amount Death in middle age, before the age of 70 years.