Growing use of e cigarettes could lead to increase in tobacco smoking, Australia's peak medical body warns ABC News Thoracic Society of Australia and New Zealand (TSANZ) Guidance for the Management of Electronic Cigarette Use (Vaping) in Adolescents and Adults Marshall 2025 Respirology Wiley Online Library Electronic Cigarettes and Vaping: Factsheet Positive Choices Australian government to crack down on nicotine e cigarettes as rates of teen vaping skyrocket Health The Guardian