Overall, 27 percent of kids in the study were overweight or obese when they started school and that ratio increased to 38 percent by eighth grade. (articles.chicagotribune.com)
Kids in the study also watched short videos in which one child did something bad to another, such as shoving. (sciencemag.org)
The inclination to eat more junk food was curtailed, however, when kids in the study first had the opportunity to summon their previously learned health knowledge. (sciencedaily.com)