Canada looked set to embrace tobacco harm reduction, similar to the United Kingdom. At least until July 2019, when a research paper by a group of high-profile public health scholars in the United States, the UK and Canada appeared in the BMJ [...]
The authors concluded that, in Canada as in the US, there was an increase in youth vaping between 2017 and 2018.

It was the typical tale. However, the researchers also determined that in Canada, unlike in the US, there had also been a significant uptick in youth smoking—lending credence to an often-debunked and challenged theory of a “gateway” from vapes to combustible cigarettes.