Which e-cigarette liquids are safe for e-cigarettes?

Electronic cigarettes are now widely available, with almost half of them in use by American adults, according to the World Health Organization (WHO).

But what exactly is a “e-cigarette”, and what do they taste like?

Is e-cigs safe for the eyes and lungs?

And how safe are e-liquids for the heart and lungs too?

We’re trying to answer these questions in this special report, produced by Al Jazeera’s Al Jazeera World service.

Read more about e-liquid, e-smoke, e cigarettes, e cigarette, e cig, cig-a-lube, nicotine source Al –