The Motley Fool Previous Page


Do Coke and Pepsi Cause Violent Behavior in Kids?

http://www.fool.com/investing/general/2013/08/30/do-coke-and-pepsi-cause-violent-behavior-in-kids.aspx

Rich Duprey
August 30, 2013

It's a study conclusion New York City's Mayor Bloomberg would probably appreciate: Coca-Cola (NYSE: KO) and PepsiCo (NYSE: PEP) are turning our kids into violent thugs.

According to research conducted by professors at Columbia, Harvard, and the University of Vermont, kids who drink lots of soda are more likely to engage in hurtful or damaging behavior. The researchers found that more than 40% of the 3,000 5-year-old children involved in the study enjoyed at least one soft drink per day, while just 4% had four or more in a given day. The study found that "the child’s aggressive behavior score increased with every increase in soft drinks servings per day."

A pretty damning conclusion that will undoubtedly bring more politicians ever willing to jump on a bandwagon to call for greater regulation of soft drinks. Only problem is, despite the study's pedigree, even the study's authors admit they can't identify the nature of the link between soft drinks and problem behaviors.

As a number of critics have pointed out, the study is rife with flaws, from a lack of control groups to no standardization of serving sizes. The researchers left it up to parents to self-report what behaviors their child was exhibiting, which len