<span>At present (as of 2017 statistics), the national childhood obesity rate is 18.5 percent. The percentage of children who evidence obesity rises as children get older. The obesity rate for 12- to 19-year-olds (middle school through high school) is 20.6%.
Dietary habits have a large role in children's weight issues, and what is available at schools influences what children and teens will eat and drink. As a</span> January, 2011 article published in the J<em>ournal of Adolescent Health </em>asserted: "Schools are in a powerful position to influence children’s diets; therefore attention to foods sold in them is necessary in order to try to improve children’s diets." You could look for that article for more information. It's titled, "Foods Sold in School Vending Machines are Associated with Overall Student Dietary Intake," by Alisha J. Rovner<span>, </span>Tonja R. Nansel<span>, </span>Jing Wang<span>, and </span><span>Ronald J. Iannotti.</span>
The answer is A) concentrated within a small upper class
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