<http://schema.org/about>
"The brains of food addicts show the same reaction when they anticipate eating as drug addicts show when they anticipate using. Surprisingly, these food addicts,"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/food/healthy-eating/stories/food-junkies-respond-to-milkshakes-like-drugs>