Americans eat roughly 570 calories more per day than they did in the 1970s, according to a new study. While supersize portions are partly to blame, steady snacking is the bigger culprit.
"We're a generation of constant eaters," said Barry Popkin, distinguished professor of nutrition at the University of North Carolina at Chapel Hill. Popkin used surveys to probe the American diet since 1977. Americans began eating more in the '80s and '90s, but in recent years, they've begun eating and...Full Story