10 Jan 2017 --- The consumption rate of foods and beverages containing low-calorie sweeteners (LCS) has risen sharply in both children and adults, according to a new study. About 25 percent of children and more than 41 percent of adults in the United States reported consuming foods sweetened artificially, numbers that represent a 200 percent increase in LCS consumption for children and a 54 percent jump for adults from 1999 to 2012.