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It was a fiddly task that took time and eventually became more of a chore and off-putting

This was an inclusive definition in order to capture both early and late relapsers, whilst excluding dual users and triallers (those who use e-cigarettes alongside tobacco smoking without making a serious quit attempt)

Provincial tobacco tax is calculated at checkout, so the price shown is the final landed price

For example, high levels of cotinine suggest regular heavy smoking, while low levels may indicate intermittent use or second-hand exposure

Western blotting analysis showed that PINK1 and Parkin, two classical molecules of the mitophagy pathway, accumulated in mitochondria but decreased in the cytoplasm after nicotine treatment, indicating that PINK1 and Parkin translocated from the cytoplasm to mitochondria and accumulated in mitochondria (Figures 1AF)