If the FDA doesn't have the evidence needs at the current time to conclude that smoking is more dangerous than vaping, then what kind of evidence will it take?

In other words, there appears to be strong evidence that in the UK, electronic cigarette use is not serving as a gateway by which nonsmokers are becoming addicted to nicotine and then progressing to real cigarette smoking.

The rest of the story is that this research is making a mockery out of the modern-day tobacco control movement.

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