"Start with three [white bread] sandwiches of fried eggs, cheese, lettuce, tomato, fried onions, and mayonnaise; add one omelet, a bowl of grits, and three slices of French toast with powdered sugar; then wash down with three chocolate chip pancakes."
When young, one can get away with this kind of diet; but not from about age 30 onwards. If he was to continue this for long, he will begin to struggle with performance as muscles begin to lock up, tissues become inflamed with accumulating toxins as the liver begins to fail under the huge workload and the arteries begin to clog with all that unhealthy over-heated trans fats.
Swimmers are notorious for going to fat upon retirement with many dying prematurely from the complications of obesity such as sleep apnoea and diabetes.
An athlete who follows a healthy dietary regime will perform consistently to a very high standard and their career will go on for so much longer. Imagine the possibilities if Phelps was to do that!
Do you have a question?
Email Gary: gary at myotec.co.nz (Replace the "at" with @ and remove spaces). Please include any relevant background information to your question.