A new study by Jean Welsh of the Centers for Disease Control and Prevention, published in the February issue of Pediatrics, found that for 3- and 4-year-olds already on the heavy side, drinking something sweet once or twice a day doubled their risk of becoming seriously overweight a year later.The U.S. dietary guidelines urge consumers away from juice, suggesting whole fruit instead. The new Dietary Guidelines for Americans can be found at www.health.gov. under Special Initiatives.