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Researchers from the University of Oxford, UK, the Chinese Academy of Medical Sciences and Peking University have examined the association of smoking and smoking cessation with the risk of diabetes in a large study .The study included participants with no history of diabetes at the baseline whose health status was monitored for years, some of the participants developed new-onset type 2 diabetes.
Regular smokers have a 15-30 percent risk of developing diabetes, after taking age, socioeconomic status, alcohol consumption, physical activity and adiposity into consideration. The study also showed a clear dose-response relationship with amount smoked and the earlier a person started smoking. Among male participants, the smoking-associated risk of diabetes is greater among individuals with higher adiposity.
Compared with those who have never smoked, smoking 30 cigarettes or more per day was associated with a 30 percent higher risk of diabetes among men with a normal weight, but with a 60 percent higher risk among men who were obese. Heavy smokers were more likely to have higher abdominal adiposity than light or non-smokers, increasing the risk of diabetes.
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