Since 2016 was the first time the National Youth Tobacco Survey asked students about mixing e-cigarette devices and marijuana, there isn’t enough data for researchers to gauge whether the practice is more popular now than it was two years ago, said study leader Katrina Trivers, lead epidemiologist in the CDC’s Office on Smoking and Health. But as more states liberalize their marijuana laws and new kinds of vaping products come on the market, she said, it’s certainly possible that the picture could change.

Source: Los Angeles Times September 17, 2018 18:35 UTC