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It is also not known whether, over an extended time period, e-cigarette use has positive or negative effects on the quality of life of ex-smokers and their rates of relapse

[233] [234] Airway clearance techniques (ACTs), such as postural drainage, percussion/vibration, autogenic drainage, hand-held positive expiratory pressure (PEP) devices and other mechanical devices, may reduce the need for increased ventilatory assistance, the duration of ventilatory assistance and the length of hospital stay in people with acute COPD

It: Protects brand identity from copying or misuse in the tobacco market

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