The authors admit this in the paper. They write: "This is a cross-sectional study, which only allows us to identify associations, not causal relationships."

This is an ironic reversal from the past, where it was the public health groups sending the anti-smoking messages and the tobacco industry which was undermining those anti-smoking messages.

So when Cigavette claims they have “the most advanced nicotine vapor system available, using a state of the art microprocessor and patented smart chip technology”, let’s just say I’m always a little skeptical…

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