>> My thing is, how healthy are ecigs compared to real cigarettes really?

> Use empiricism

> Smokers or former smokers who switch to e-cigarettes may reduce their exposure to carcinogens and lower their risk of developing severe health issues associated with conventional smoking.

Why yes, I want to read research confirming common sense. And more valuable, I can read the nuance of it too (quantifying how much safer compared to cigarettes).