United States obesity rate high, but not rising

Raise a glass of diet soda, the nation's obesity rate seems to have leveled off. But more than two-thirds of adults and almost a third of children are overweight, and there are no signs of improvement. According to government data from the years 2007- 08 published Wednesday, the obesity rate has held steady for about five years, reflecting earlier signs that it had stalled after steadily climbing. Dr. William Dietz, an obesity expert with the Centers for Disease Control and Prevention, cautiously called the results promising. "We're at the corner; we haven't turned the corner," he said. Not...