These products are not risk-free and provide nicotine, which is addictive, but they are a much better choice for adults than continuing to smoke cigarettes
[21] There is "only limited evidence showing adverse respiratory and cardiovascular effects in humans", with the authors of a 2020 review calling for more long-term studies on the subject
"Cigarette Smoking and Health Promotion in Nazi Germany"
That said, Im uncomfortable with the idea of a company using its Capitol Hill connections to create legislation that undermines its competitors and consolidates its market share
2014 Mar;23(2):133-9
[8] Reported risks include exposure to toxic chemicals, increased likelihood of respiratory and cardiovascular diseases, reduced lung function, reduced cardiac muscle function, increased inflammation, [9] [10] increased drug dependency, and damage to the central nervous system