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As shown in Figure 3, for a given tidal volume a greater inspiratory effort is needed in smokers with airflow limitation as compared to healthy subjects, such that the greater the slope (b) of VT to effort relationship, the greater the perception of dyspnea

It is caused by volatile aromatic compounds (phenols, cresols, aldehydes) produced by combustion, which bond to fibres through adsorption

Fruit and dessert e-liquids, for instance, often have very high concentrations of flavoring agents and will therefore produce stronger smells

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If you spend a lot of time at home or enjoy long vaping sessions, a vape pen or mod with a larger battery and tank will keep you satisfied without constant recharging or refilling