Vape devices are flooding teens' bodies with increasingly heavy doses of addictive nicotine, a new study finds. Average urine levels of a key nicotine metabolite, cotinine, nearly tripled among teenagers over a period of a few months in late 2024, researchers report in JAMA Psychiatry.
Vaping devices are flooding teenagers' bodies with increasingly higher doses of addictive nicotine, a new study reveals. Average urinary levels of cotinine, a key nicotine metabolite, nearly tripled among teenagers over a period of just a few months in late 2024, […]