Vaping May Increase Risk Of Developing High Blood Sugar, Diabetes iHeart Vaping linked to higher diabetes risk: What a new study by scientists say Vaping raises risk of diabetes: John Hopkins researchers Studies have found a connection between nicotine and diabetes. Smoking cigarettes or vaping can increase your risk of type 2 diabetes, since nicotine raises blood sugar levels. Combining vaping and smoking may raise risk of diabetes and prediabetes, study finds Euronews