Most consumers in the United States think vaping is just as harmful as smoking, but millions of former smokers disagree. They're in good company. Public Health England, The National Academy of Sciences, and even the commissioner of the tobacco division of the FDA have all publicly stated otherwise.
Vapor has massive potential for benefiting public health through harm reduction. Nonetheless, electronic cigarette and vaporizer usage is not without its own risks and caveats.
Depending on the exact device, liquid composition, and other conditions, vapor can deliver the satisfaction of nicotine without tar and many other cancer-causing components of tobacco smoke. But under what conditions?