The brightly colored divided plate that lays out the USDA's model for healthy eating needs one little tweak, says the director of the UC Nutrition Policy Institute Lorrene Ritchie. Don't take anything away, but add H20.

Ritchie has joined with dozens of nutrition and health professionals around the country to ask that the USDA put water onto MyPlate.

“We don't have all the answers to overcoming obesity, but the research on sugar-sweetened beverages is very clear,” Ritchie said. “When you drink beverages like soda, sports drinks or punch, the sugar gets absorbed very rapidly and the body doesn't recognize the calories. The result is excess calories and...