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Reported revenue declined by 6.0%, or 2.5% at constant rates of exchange, due to the sale of the Russian and Belarusian businesses during the year

Since nicotine is a weak base (pKa=8.0), at a higher pH, a larger portion of nicotine is unprotonated (free-base) and nicotine is more volatile.62 Because of higher pH, a significant proportion of nicotine is present in the gas phase of inhaled aerosol

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These measures, often termed cognitive elaboration, are well-validated and often used in studies of cigarette health warnings (See, e.g., Refs