The mechanism of action is physico-chemical rather than "chemically toxic" in the way that sprays work: ozone collides with the cell wall of a microorganism, oxidises it and disrupts its integrity
Women are advised to either not nurse their child or discontinue the drug
In the Masson's Trichrome staining, sections of increased collagen deposition within thickened alveolar septa and initial fibrosis was observed in both experimental groups (Fig

Dr Sharon Cox, a research fellow in Behavioural Science and Health at University College London, said in response to the ASH study, The evidence on vaping for smoking cessation is clear and strong, it is far safer to switch to vaping nicotine than it is to continue smoking combustible tobacco it is the poor reporting of studies, as well as poorly conducted studies, which has led to widespread misperceptions. Another research fellow, Dr Sarah Jackson, from the University College London Tobacco and Alcohol research group added, There is an ongoing disconnect between scientific evidence on the relative harms of vaping compared with smoking and how these risks are communicated to the public media coverage typically focuses on risks to young people who dont smoke and generally doesnt compare these to any risks vapers would face if they opted to smoke instead. THE TRUTH ABOUT VAPING There is scaremongering here in the UK as well, taking the shape of looking at E-Cigarettes without the context of smoking

The first scenario described a 17-year-old African American male resident of Ward 8 who is frequently exposed to cigarette and other tobacco product marketing at the small convenience/corner and liquor stores his family often shops at (his family has limited access to grocery stores as do many residents of Ward 8)