When teens self‐report their tobacco, vaping, and marijuana use, the results correlate with urine biomarkers, researchers have found. There is no objective biomarker data in this area, so researchers wanted to make this comparison, and it turns out that just asking the question will yield accurate results. However, in the case of nicotine, many subjects were not aware they had nicotine in their
... [Show full abstract] systems. In addition, the more frequent the vaping and pod use was, the higher the level of the biomarker.