Research : 18.4 percent of 4-year-olds in the United States are obese . Nearly one-fifth of American 4-year-olds are obese , and children of color are at higher risk , according to new research . Native Americans , Hispanics , blacks at most risk ; whites and Asians at lowest risk . Comment:
Research : 18.4 percent of 4-year-olds in the United States are obese . Native Americans , Hispanics , blacks at most risk ; whites and Asians at lowest risk . Comment: