<http://schema.org/about>
"A fascinating new study published in the New England Journal of Medicine says that the quality of the foods that you eat has more to do with weight than the quantity of food. And you'll never guess what food causes the most weight"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-food/study-weight-depends-on-the-quality-of-your-diet-more-than-quantity.html>