Eating five or more servings a day of fruit and vegetables lowers your chances of getting cancer. How ever, moderation is a key to a stable life. Professional body builders have different goals than a person eating for health. Recognizing that food is a sensual thing and to enjoy eating is certainly a simple pleasure. However being intelligent in sensual pleasures is certainly not an unheard of concept today.
Fast food is a luxury.
I eat fast food. I enjoy hamburgers. I enjoy ice cream. I don't particularly like doughnuts. The only way to get rid of a temptation is to yield to it.