Although the effects of childhood obesity are well understood, its cause is less clear. Now, researchers at the nonprofit RAND Corp. say they may have fingered a culprit.
Researchers from the Santa Monica, Calif.-based think tank say that “calories in,” or the growing consumption of less-healthy foods seems to be a bigger contributing factor to childhood obesity than “calories out,” or the growth of a more sedentary lifestyle.
Their conclusions are published in the corporation’s August Child Policy newsletter.
A version of this article appeared in the September 14, 2011 edition of Education Week as Child Obesity