Benefits of Exercising Before Breakfast

This study is very interesting — how much can we generalize the results? E.g., does it mean benefits for people on a healthy diet (instead of the high fat diet of the subjects)?

(…) a new study published in The Journal of Physiology suggests a more reliable and far simpler response. Run or bicycle before breakfast. Exercising in the morning, before eating, the study results show, seems to significantly lessen the ill effects of holiday Bacchanalias.

(…) working out before breakfast directly combated the two most detrimental effects of eating a high-fat, high-calorie diet. It also helped the men avoid gaining weight.