Exploding Food Myth 9. Brown eggs are healthier than white

There is major difference between brown eggs and white eggs: brown eggs are brown and white eggs are white. That's it. The colour of the shell is totally irrelevant to the nutritional values of the egg's content. However, egg shell is porous and the brown pigmentation is more solid and less permeable than white, and thus allows for a longer shelf life. Other than that, the difference is in the chickens, not the eggs, and, according to our research and that of others from whom we've stolen information outrageously, the hens that lay brown eggs eat more than their 'white' counterparts. So which came first? (See Exploding Food Myths 8)