Fast food, soda and white bread are all high in calories and low in nutritional value. If you eat more of this kind of food than fruits, vegetables and lean meat, you may be more likely to develop diabetes. If you don't get 30 minutes of exercise three times a week, that also increases your risk. Finally, your genes can make you more likely to develop diabetes as well.
For many decades, folk “wisdom” claimed that diabetes was caused by eating too much sugar. There have always been curious ideas in the diabetic world. For instance, people with advanced diabetes excrete a lot of sugar in their urine, so one early diabetic diet prescribed eating nothing but candy, on the theory that because the…