dual use

Respiratory symptoms more likely to develop when people use both e-cigarettes and tobacco cigarettes https://www.news-medical.net/news/20210422/Respiratory-symptoms-more-likely-to-develop-when-people-use-both-e-cigarettes-and-tobacco-cigarettes.aspx 22 April 2021 "... . New research led by...

https://www.planetofthevapes.co.uk/news/vaping-news/2021-03-02_danger-disappears.html 2 March 2021 "In 2019, Glantz claimed(1) that “the data are catching up with public perception” that vaping presents increased risks to dual use smokers because of “an aerosol of ultrafine particles and other...

“Mixing use of vapes and combustible cigarettes, known as “dual use,” is seen as a win by some—especially those who are working towards quitting smoking—while others view it as an absolute health threat. The latest data from the Food and Drug Administration’s Population Assessment of Tobacco and...