title: Guest Editorial: The New Faces of Food Insecurity and Hunger.
abstract: Food insecurity and hunger have had a volatile history in the United States during the past 40 years. The earliest concepts of hunger were linked to clinical signs of malnutrition. With renewed interest in food insecurity and hunger, policy makers and program implementers have been seeking measurements that are simple to use and easy to analyze and interpret. New paradigms for assessing food insecurity and hunger are discussed.