Smokers have a 30-40% increased risk of developing diabetes.(1) A large study showed adults who quit smoking still had an increased risk for developing diabetes, peaking within 3 years of quitting and then gradually returning to normal.(2) Be careful to continue to watch for symptoms after quitting and try to improve your overall health; especially try to lose weight if you are overweight.
1. U.S. Department of Health and Human Services. The Health Consequences of Smoking – 50 years of Progress: A Report of the Surgeon General. Atlanta, GA. Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2014.
2. Yeh HC, Duncan BB, Schmidt MI, Wang NY, and Brancati FL. Smoking, Smoking Cessation, and Risk for Type 2 Diabetes Mellitus. Ann Intern Med. 2010;152:10-17.