“Their portraits feature pictures of each family with a week’s worth of food purchases. We soon learn that diet is determined by largely uncontrollable forces like poverty, conflict and globalization, which can bring change with startling speed. Thus cultures can move, sometimes in a single jump, from traditional diets to the vexed plenty of global-food production. People have more to eat and, too often, eat more of nutritionally questionable food. And their health suffers.”
http://foodmatters.tv/articles-1/what-the-world-eats-shocking-photos