Related Illnesses
Cardiac Arrest is one of the leading causes of death in America. Another thing that doughnuts and anything sugary can cause is Adult Onset Diabetes. As to the Cardiac Arrest, unless your whole diet is doughnuts, doughnuts as a special treat for breakfast in collage won't hurt you so long as you balance or work it off. For Adult Onset Diabetes, you do have to be careful not to have too much sugar during your teen or young adult years. You would have to eat an excessive amount of sugary foods.
Both of theese are either helped by fatness or is a result of it. This is why it is in this category.