I agree with your assessment, Kristin, that e-cigs simply have to be better than tobacco cigarettes, but she was referring to needed studies and the key word in her statement is "know". We "surmise" that e-cigs are better long-term .. but we do not KNOW. That lack of provable knowledge has damned us since these first came on the market. We all need to KNOW.
We DO know.
It's common knowledge & medically proven that exposure to tar and carbon monoxide is unhealthy ie unsafe.
There is no exposure to tar and carbon monoxide with vaping.
It is medically proven that if you discontinue using tobacco cigarettes, you are eliminating the danger of that tar and carbon monoxide exposure.
By vaping and not using tobacco cigarettes, you are eliminating those two dangers.
Eliminating danger = safer.
Ergo, vaping is safer than tobacco smoking.
(That's not even counting the hundreds of other "unsafe" ingredients found in tobacco smoke and not in vapor. But the elimination of exposure to just two major unsafe components makes it unarguably safer.)
I completely agree e-liquid should be regulated for consistancy & to ensure impurites aren't present beyond already approved substances and tested for long term exposure (let's be honest, there ARE going to be long term effects of some kind), but it doesn't need further testing to prove that it is "safer" than tobacco cigarettes.
But the FDA has a serious double standard and demands to hold e-cigs to a higher standard. They want e-cigs to either be an NRT (and therefore be used to discontinue nicotine addiction, which we know isn't proven) or be shown to be as safe as not smoking at all. Even Chantix doesn't meet those standards more than 44% in the first 12 weeks, yet they have FDA approval.
What they want to "know" is that it's really an NRT. That's the only thing we don't KNOW and isn't proven. We Do know they are safer.
She's talking in circles.