http://www.boston.com/business/technology/articles/2009/09/27/a_new_way_to_look_at_groceries/
This article describes a new way to grocery shop using the new NuVal System. It calculates all the nutrients and divides them by the "not so good" ingredients. A type of food or beverage with a high score would be healthy. These numbers are next to the price tags on the shevles.
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