Is Cotinine in Vapes Without Nicotine? Investigating Contamination and Exposure
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4 min read
According to a 2024 study, users of purportedly nicotine-free e-cigarettes had significantly elevated urinary cotinine levels compared to non-users. This addresses the key question, 'Is cotinine in vapes without nicotine?,' and indicates that labeling may not always reflect the true contents.
