Several studies have shown that e-cig aerosols contain aldehydes and particulate matter (PM) at levels comparable to or above conventional cigarettes, which increase with flavors such as menthol 10,11,12
Harm reduction (reducing the risks of consumption) is, at best, an ancillary component of a comprehensive strategy for protecting the public health. With both tobacco and car use, the problem is economic at its core: the safest solution, usage reduction, is antithetical to the business aims of the industry, and thus a non-starter
Its not clear if pasting warnings and graphic images onto the machines would be enough to satisfy EU law
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Smoking machine Nishida and his team, whose expertise is in developing instrumentation for measuring aerosol particles, employed a "smoking machine," which acts like a lung to draw the desired volume of smoke from samples of both a standard tobacco and a cannabis cigarette