is cigarette smoke worse than weed Nicotine, e-cigarettes, cannabis: All pose different risks and all can be hard to stop Secondhand marijuana smoke and kids

The researchers said that secondhand exposure to harmful substances in e-cigarettes would likely be much lower still, as e-cigarettes deliver similar levels of nicotine to tobacco but contain only a fraction of the toxicants and carcinogens

The US product and patent

[DOI] [PubMed] [Google Scholar] Dallmeier Zelger K

Even within the electronic cigarette smoking population, the large heterogeneity of available electronic cigarette products, different nicotine concentrations and varying levels of daily exposure pose a real difficulty in ascertaining the true effect of electronic cigarettes on general and cardiovascular health

Children (basel)