Millions suffer from hunger and poverty and disease in this world of ours.

NPR: President Bush's Remarks on the World Agenda

Pregnant women, babies and children suffer from hunger and malnutrition far too often in the richest country in the world.

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That, in turn, would explain why women in rich countries, who are less likely to suffer from hunger and disease, are more likely to give birth to sons.

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They argue that it is easier to adhere to (proteins do indeed make people feel fuller for longer), and that they suffer from fewer of the hunger pangs and mood swings that are characteristic of low-fat diets.

ECONOMIST: Nutrition