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LOL.

Ok, the trick to measuring BP is to take lots of measurements. Blood pressure naturally varies to accommodate demand (or things that are related to increased demand, like fear - if you see a lion about to attack you your blood pressure will go up, because you're going to be running very fast), so one single measurement really doesn't have much significance. The trick is to measure it many times over at least a week, and always measure it when you're physically at rest. You only get a true idea by looking at the average.

As far as ecigs and the medical profession goes, unfortunately there's a lot of politics involved. For anyone who's interested, I'd recommend reading the paper that Phil Busardo linked on this page. It's written by a couple of academics involved in public health policy and towards the end they talk about the antipathy that the anti-smoking groups in the US have towards ecigs. (That's after they list a bunch of studies that show that ecigs are many orders of magnitude safer than smoking tobacco.)

Though some of this may be ancient fall-out over the 'light cigarette' con that was tried by the tobacco companies, a lot of it is because ecigs are fundamentally a harm reduction rather than harm cessation measure. In other words, ecigs are a way of enjoying the act of smoking (which involves several factors, such as the physical sensation or 'throat hit', the flavour, and also involves taking nicotine) in a manner which won't give you cancer and COPD, rather than being a part of a program aimed at getting people to give up entirely (though there's no reason they can't used for that).

It's an unfortunate, but very real, fact that there's a vocal element of the medical profession who are against any use of drugs by 'non-qualified' personnel if there's even a remote possibility of harm. And therefore they don't like the idea of people routinely medicating themselves with nicotine. All doctors of course, myself included, prescribe medication every day that can cause far more harm than ecigs - in fact we often prescribe it knowing that such harm will occur, in the informed opinion that it will be a lesser harm than the disease that it is treating. But sometimes people in the medical profession lose sight of the fact that doctors are not the only people capable of making an informed opinion.

In a nutshell, the nicotine from vaping does carry some risk, but then so does crossing the street. It hasn't been around long enough for proper long-term longitudinal cohort studies, but every analysis shows that it's massively safer than smoking tobacco. It takes time to produce the full weight of scientific evidence needed to prove this safety, but all the preliminary data is very clear that every smoker who switches to vaping is removing a significant and major source of harm.