NEW YORK (AP) — Vaping held steady last year in high school students and declined in middle school kids, according to new government data, but some researchers are skeptical because the survey may have missed out on a booming e-cigarette brand. The Centers for Disease Control and Prevention survey did not specifically ask about Juul e-cigarettes, and research suggests some kids don't equate the trendy devices with other types of e-cigarettes. Given that omission and the skyrocketing sales of Juul last year, the survey may be missing a big part of what's going on, said Jidong Huang, a Georgia State University researcher. E-cigarettes are battery-powered devices that provide users with aerosol puffs that typically contain nicotine, and sometimes flavorings like fruit, mint or chocolate.Read more on NewsOK.com