Are Electronic Cigarettes Healthier?

There is more and more research coming out about the adverse effects of electronic cigarettes.
At first the main objection to electronic cigarettes was that they used liquid nicotine. Nicotine when put into the body causes the blood vessels to constrict. This interferes with blood flow and causes your blood pressure to suddenly increase and opens you up to stroke.
In an effort to bypass this the manufacturers of electronic cigarettes brought out mixtures that did not contain nicotine, supposedly a good thing.
Last year researchers at the Harvard School of Public Health found that three of the flavouring chemicals have adverse effects […]