tobacco origin Benjamin Franklin: of A Brief History of Tobacco

While these products are unlikely to fully eliminate the smell of smoke, they may help reduce exposure to tobacco smoke odour

However, my faith in that assumption is weakened every time I walk by an office building

This means that users are exposed to fewer harmful chemicals, which can potentially reduce the risk of developing smoking-related health problems

Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks, 1990-2016: a systematic analysis for the global burden of disease study 2016

As far as we know, it's never been done before. Dr