The rest of the story is that by lying to thepublic, Senator Blumenthal has introduced politics into the debate anddemonstrated that Congress remains clearly in touch with political motives, notscience-based public health ones.

One of the features that separates tobacco control research from research conducting historically by the tobacco companies is the integrity of our work. We want and need the public to view the integrity of tobacco control research as being higher than that of work which in the past was conducted by the tobacco companies. If it comes down to tobacco control researchers arguing that secondhand smoke is harmful and tobacco industry-funded studies suggesting that secondhand smoke is not harmful, we want the public to believe us. That requires that the public view our research integrity as being greater than that of the industry.

"The vast majority of people who smoke them now also smoke conventional cigarettes, he [Stan Glantz] said, and there is little evidence that much switching is happening. E-cigarettes may even prolong the habit, he said, by offering a dose of nicotine at times when getting one from a traditional cigarette is inconvenient or illegal."

Moreover, what scientific evidence is the FDA looking for in order to approve a simple claim that electronic cigarettes are safer than tobacco cigarettes? If the overwhelming current evidence is not sufficient, then no evidence will ever be sufficient because there is no further research that is necessary in order to draw this conclusion. It doesn't take a rocket scientist to figure out that a product which burns tobacco and produces tobacco smoke with more than 10,000 chemicals including more than 60 carcinogens and causes more than 400,000 deaths per year is more harmful than a product which merely heats and aerosolizes nicotine from a solution of propylene glycol.

The finding of reduced exhaled nitric oxide is an indication that an exposure is causing some sort of inflammatory effect on cells lining the respiratory tract. It doesn't mean anything more or less than that. You can't take two exposures - each of which causes respiratory tract inflammation - and make the statement that the effects of both exposures are equal. Risk posed by an exposure depends on many other factors, including the degree of inflammation induced, the reversibility of the effect, the nature of the exposure, the chronicity of the exposure, etc.

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