U.S. Food Portions: Monuments to Decadence?

With soaring food prices sparking protests in many countries, and more than 800 million people going hungry every day worldwide, U.S. food portions are under scrutiny.

Portion sizes in the United States not only exceed those in less-developed countries, but also in the developed world. Americans have the highest per capita daily consumption in the world, eating 3,770 calories a day.

One fast-food chain calls its massive burger a "monument to decadence".

"We've looked at large portion sizes almost entirely in terms of whether it's healthy for us, and now we have to consider is that sort of a demand going to be sustainable," said Paul Roberts, author of The End of Food. "It would probably be a way to take pressure off of grain markets if we somehow convinced people to take smaller portion sizes."

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