[anon-e-moose]

This seems reasonable, until you consider that there might be other factors at play. Maybe he eats food that is hard to digest or causes a sugar rush and then sugar crash, and simply not riding the sugar roller coaster felt better, but he'd feel the same or even better by eating meals with less simple carbohydrates.

The point of these studies is to remove these other factors and test one thing at a time.

[drdo]

Then you have only proven that not eating results in feeling better than eating exactly what you used to, keeping everything else the same, not that not eating is better than eating independently of what you eat.