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(HealthDay)—One-quarter of U.S. middle and high school students say they’ve been exposed to potentially dangerous secondhand e-cigarette vapors, a federal government study shows.
E-cigarette vapors can contain harmful substances such as nicotine, according to the U.S. Surgeon General. E-cigarette devices can also be used for marijuana and other illicit drugs.
Researchers from the U.S. Centers for Disease Control and Prevention analyzed data from the 2015 National Youth Tobacco Survey. They found that more than 24 percent of middle and high school students said they had been exposed to e-cigarette vapors in an indoor or outdoor location at least once in the previous 30 days. That amounted to 6.5 million students.
Rates of exposure for specific groups were: almost 22 percent among males; close to 27 percent among females; 24.5 percent among Hispanics; 27 percent among whites; just over 15 percent among blacks, and close to 22 percent among other races.
Students exposed…
