John's University in New York. As a nutritional anthropologist he has conducted fieldwork in Peru, Ecuador, Kenya, Zambia, South Africa, and in Native American communities across the U.S. His research interests include the paradox of childhood hunger and obesity, HIV/AIDS and food insecurity, and food policy related to the use of genetically modified organisms in sub-Saharan Africa. For nearly 10 years he was co-editor of the international journal Ecology of Food and Nutrition. John Mazzeo is an assistant professor ...