how many cigarettes do addicts smoke a day Average number of smoked per hour of the day, maximum Tobacco Addiction: Nicotine and Other

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PMID 21545223

Acknowledgements This study was supported in part by NIDA grants: 1R56DA036556, R01DA029845, R01DA030394, R01HL102119, and R21DA032022, Natural Science Foundation of Zhejiang Province Grant LZ15H180001, the program for professor of special appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning, and the Hangzhou Qianjiang Endowed Professor Program and the Youth 1000 Talent Program of China

Kim DH, Koutrakis P, Son YS (2025) Preliminary study on the effect of first- and second-hand smoke of heat-not-burn tobacco products on urinary nicotine and cotinine levels and cardiovascular system