The size of commonly consumed foods has increased considerably in recent years, contributing to the spread of what has been called the epidemic of obesity that characterizes our era and now not only in developed countries.

But when I started this trend of portions? Answering this question is not as simple as it sounds, as soon as you move away from some of this century, the interpretation of the available documents can become problematic.

For these two researchers at Cornell University have decided to turn to the pictorial tradition and in particular the representations of ‘Last Supper, A subject that allows us to follow this standard issue, even during periods when it was frequently depict scenes of everyday life.

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