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The food problem of configuration in the history of man , having always been a powerful spring for the conservation of the species . For the remote inhabitants of the earth was only the instinct to suggest food selection, a choice that could only be offered in relation to the environment in which they lived.

Today civilized man, with the abundance and speed of communication and modern methods of conservation, may qualify for any of the products of the earth , be it plants and animals, and is no longer instinct to guide , but the pursuit of pleasure, and then developed products to whet your throat.

course the way of eating is always tied to the local availability as well as the culture and economy of a people . The Italians, for example, one could not impose the power of the Scots or Chinese, and vice versa.

Today is power than in the past, much more abundant both in relation to energy needs that plastics and protective. Over the past thirty years, the consumption have moved increasingly more energy from food those predominantly construction. The company's

benesssere , that would raise the standard of living for the greater availability econimica, gave everyone a chance to eat better and longer, but ultimately you are switching from an unbalanced diet to default to an unbalanced diet to excess . We have moved from a consumption of 600 kg per capita of the 50s to 870 kg per capita today.

The biggest increases have been the products of animal origin, fats and sugars. beverages also had a large increase in consumption, including in the foreground are and alcohol, especially in Italy, wine.
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This power has led to an inevitable increase in calories with relative increase in so-called "diseases of affluence" , first and foremost, obesity and cardiovascular disease.