draft of a cigarette File:Cigarette-key.svg Tobacco firm ponders challenge as

After all, weve all been there, wondering about the fate of forgotten cigarettes

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Environ Sci Pollut Res 25:54655473 Dobaradaran S, Schmidt TC, Lorenzo-Parodi N, Jochmann MA, Nabipour I, Raeisi A, Stojanovi N, Mahmoodi M (2019) Cigarette butts: an overlooked source of PAHs in the environment

In our study, the T 1/2 values for the NPs used in this study ranged from 2.2 to 2.8 h (Table 2), in line with the reported nicotine plasma elimination half-life [41]