Concentrations of Cotinine and 4-(Methylnitrosamino)-1-(3-Pyridyl)-1-Butanol (NNAL) in U.S. Non-Daily Cigarette Smokers.
Daniela Sarahí Gutiérrez-TorresLanqing WangBenjamin C BlountBaoyun XiaConnie S SosnoffMeredith S ShielsMaki Inoue-ChoiArash EtemadiNeal D FreedmanPublished in: Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology (2021)
These results provide evidence for the validity of self-reported non-daily smoking and indicate that non-daily smokers are exposed to substantial concentrations of carcinogenic nitrosamines regardless of the low number of cigarettes they smoke per month.