Quit smoking no later after age 50 
 
 
Epidemiological investigation showed that middle-aged quitting smoking will reduce the risk of tobacco-related disease death by about forty percent 
 
 
Source: health 

        Report from our correspondent (reporter Sun Meng) in the people's liberation army general hospital geriatric medicine institute, professor He Yao team conducted a epidemiological studies, whether to give up smoking to older smokers health benefits. The research results show that smoking can obviously increase the middle-aged and old the heart cerebrovascular disease, cancer and chronic obstructive pulmonary disease and risk of death, even after age 50 began to give up smoking, can also reduce 38% of smokers tobacco related disease risk of death. The results of the study are published in 2014 in the latest issue of the publication of the American journal of epidemiology. 
 
        Researchers in xi 'an some enterprise worker in 1976 over 40 healthy check-up crowd as the research object, and again in 1994 for the crowd for a medical, 1494 people in which meets the requirements and data integrity (male 961, female 533) have been followed up to 2011. Results showed that the people quit smoking rate was 38.7%, the average quitters started smoking age was 52.3 years; Compared with never smokers, smokers of cardio-cerebrovascular disease increased risk of death 72%, a 92% increase in the risk of death of cancer, a 113% increase in the risk of death of chronic obstructive pulmonary disease, and found that the greater the amount and duration of the long, and the extent of their increased risk of death. The quit smoking 2 ~ 7 years group and 8 years and above group, are significantly decreased the risk of death, including lung cancer declines of 31% and 55% respectively, coronary heart disease was 22% and 49%, ischemic cerebral apoplexy was 24% and 24%, chronic obstructive pulmonary disease were 11% and 11%. 
 
        He Yao, said the study suggests that in the middle-aged and old people should be on middle-aged to give up smoking for health protection, and provide the necessary medical services and social environment. In our country, the adult has been high smoking rate in nearly 30 years. Such as "the elderly to give up smoking does more harm than good" and "old people quit smoking can cause premature death" false rumours that, even in the part of the medical staff have circulated, seriously affect the enthusiasm of many older smokers to quit. The results to the public about the benefits of the health hazards of smoking and smoking cessation and to clarify the misunderstanding of the public, provides the scientific basis.
 
 
 
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